|help_text = This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Active Skill Gem you wish to augment. Right click to remove from a socket.
|help_text = This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket.
|stat_text = Supported Attacks will Trigger a Supported Spell when you Crit an Enemy<br>Supported Skills deal (19-10)% less Spell Damage<br>You cannot Cast Supported Triggerable Spells directly
|level1_stat_text = Supported Skills deal 19% less Spell Damage
|level1_stat_text = Supported Skills deal 19% less Spell Damage
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}}
}}
{{for|the awakened variant|Awakened Cast on Critical Strike Support}}
'''Cast on Critical Strike''' (commonly referred to as '''CoC''') is a [[support gem]] that causes linked [[spell]]s to [[trigger]] when the player [[critical strike|critically strikes]] with a linked [[attack]] skill.
'''Cast on Critical Strike''' (commonly referred to as '''CoC''') is a [[support gem]] that causes linked [[spell]]s to [[trigger]] when the player scores a [[critical strike]] with the [[attack]] skill it is linked to.
==Skill functions and interactions==
==Skill functions and interactions==
===Real Cooldown & Cooldown Threshold===
===Supporting multiple spells===
There is an internal cooldown to how fast spells can be triggered.
If more than one spell is supported by Cast on Crit Support, the order of the triggered spells will follow the [[Trigger#Order|trigger order]]. (Successive triggers cycle through all valid supported spells in the same order.) Each supported skill has its own cooldown, except multiple copies of the same spell, which [[Cooldown#Shared_cooldowns|share]] their cooldown.
Currently, the cooldown is 150ms, however:<ref>https://www.reddit.com/r/pathofexile/comments/fh8bnh/spellslinger_cooldown_thresholds_and_all_other/</ref>
===Effective cooldown & cooldown thresholds===
* Servers do not calculate the game in real-time but divide it into chunks that are calculated at once.
{{main|Cooldown#Server_frames}}
* One of these server calculation steps is called a tick. A server tick has a duration of 33 milliseconds.
Due to how server frames are calculated, there are breakpoints of [[cooldown]] recovery rates required to achieve a higher effective trigger rate.<ref>https://www.reddit.com/r/pathofexile/comments/fh8bnh/spellslinger_cooldown_thresholds_and_all_other/</ref>. Additional CDR that does not reach the next threshold is wasted.
* The status of cooldowns is only updated once on each server tick.
* Due to the limitation to server ticks, cooldowns are effectively always rounded up to multiples of 33ms.
The thresholds in the table below are meant to be upper limits. If you stay below them, you do not need to increase your trigger rate. However, it usually is an efficient DPS upgrade, but going above them is something you must not do.
The attack rates below are maximums; exceeding the attack rates even slightly can significantly reduce proc rate due to skipping procs while the skill is still on cooldown. It is better to be slightly below the attack rate than above it. Note that multiples of the attack rate also work (e.g. 12.12 APS will proc at the same rate as 6.06 APS).
If the attack you use to trigger your spells is just slightly too fast and your spells are still on cooldown, you can lose up to almost half your DPS.
{| class="wikitable"
{| class="wikitable"
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| 128%+ || 66 ms || 15.15
| 128%+ || 66 ms || 15.15
|}
|}
In case of multiple spells linked to one attack skill, this support will alternate the triggered spell.
===Cooldown Time===
When a supported spell is successfully cast, it and all supported spells of the same name are put on cooldown for 162 milliseconds. This means that a given spell can only trigger once per critical strike and reduces the effect of linking multiple copies of the same spell to this support (especially when it is at a higher gem level). It is important to note that this cooldown does ''not'' apply to the gem as whole; you can trigger multiple spells within the 162 millisecond cooldown time as long as they are different.
===Trigger order===
Trigger gems and their linked skills are cast in a specific order that depends on which item it is equipped on and which socket the skills are in. If there are trigger gems in each equipped item, the order of operation will be:
Main hand ⇒ Amulet ⇒ Helm ⇒ Off-hand ⇒ Body armour ⇒ Gloves ⇒ Boots
The linked sockets also follow a specific order, as follows:
<pre style="width:fit-content">
1 ⇒ 2
⇓
4 ⇐ 3
⇓
5 ⇒ 6
</pre>
==Gem level progression==
==Gem level progression==
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==Gem quality==
==Gem quality==
{{Skill quality}}
<!--{{Skill quality}}-->
{| class="wikitable" style="text-align: center
! Type !! Stats (per 1% quality) !! Weight
|-
| Superior || {{c|mod|Supported Skills have 1% increased Attack Critical Strike Chance<br>Supported Skills have 1% increased Spell Critical Strike Chance}} || 50
Fundamentally, a Cast on Crit setup requires an [[attack]], a [[spell]], and the Cast on Crit Support itself. Each of these pieces can be from gems, or one of them can be replaced by modifiers or skills granted by items.
{{update|section}}
Certain skills that can deal multiple hits throughout its animation such as {{il|Spectral Throw}} and {{il|Lancing Steel}} can proc spells multiple times with a single attack.
=== Linking with other skills ===
At a bare minimum, a Cast On Critical Strike setup will require three gems: an attack, Cast On Critical Strike itself, and a spell to be triggered. This generally leaves at most three other supports that may be linked. If possible, the supports should both increase the number of times Cast On Critical Strike triggers, and increase the effectiveness of the triggered spells. Note that Cast On Critical Strike cannot trigger more than once per frame, so staggered hits (e.g. multiple projectiles) are preferred to simultaneous hits (e.g. most area of effect damage) which will only proc at most once per attack.
<!-- This section is heavily outdated
==== Projectile ====
By far the most popular family of Cast on Critical Strike setups, projectile Cast On Critical Strike focuses on the projectile [[keyword]]. Popular attacks for this purpose include:
* {{il|Spectral Throw}}: Naturally staggers hits, automatic pierce, allows the use of melee weapons at range.
* {{il|Barrage}}: Causes a large number of sequential hits per attack.
* {{il|Power Siphon}}: Naturally produces power charges.
* {{il|Split Arrow}}: Naturally large number of projectiles.
* {{il|Tornado Shot}}: Piercing on initial arrow(s) and produces three times as many subprojectiles.
* {{il|Frost Blades}}: Five projectiles plus the initial hit.
* {{il|Molten Strike}}: Magma balls generally hit on different frames, causing a large number of hits.
* {{il|Lightning Strike}}: Three projectiles plus the initial hit.
Support skills that affect both the number of hits and crits projectile attacks generate and affect projectile spells include:
* {{il|Greater Multiple Projectiles}}
* {{il|Chain}}
* {{il|Faster Projectiles}} for {{il|Spectral Throw}} and certain spells
* {{il|Fork}}
* {{il|Pierce}}
* {{il|Power Charge On Critical}}
* {{il|Increased Critical Strikes}}
Useful projectile spells and their support limitations include:
* {{il|Arctic Breath}}: Does not explode on pierce, fork, or chain.
* {{il|Ball Lightning}}: Not affected by pierce, fork, or chain; hit rate limited per cast, not per projectile.
* {{il|Ethereal Knives}}: Little benefit from {{il|Greater Multiple Projectiles}} but more from {{il|Faster Projectiles}}.
* {{il|Fireball}}: Does not explode on pierce, fork, or chain.
* {{il|Freezing Pulse}}: Benefits from {{il|Faster Projectiles}}.
* {{il|Ice Spear}}: Already pierces in first form.
* {{il|Magma Orb}}
* {{il|Spark}}: Less benefit from {{il|Greater Multiple Projectiles}} but more from {{il|Faster Projectiles}}.
A second spell may satisfactorily be used in place of a support.
==== Area of Effect ====
Some attacks have advantageous built-in area of effect:
* {{il|Ground Slam}}: The area of effect is progressive, not instant, allowing multiple casts per attack. However, it can only get one cast against a single target.
This works well with spells which have Area of Effect component, such as:
* {{il|Cold Snap}}
* {{il|Ice Nova}}
* {{il|Flame Surge}}
* {{il|Glacial Cascade}}
* {{il|Magma Orb}}
Support gems which can benefit this setup are:
* {{il|Multistrike}}
* {{il|Increased Area of Effect}}
* {{il|Concentrated Effect}}
* {{il|Power Charge On Critical}}
* {{il|Increased Critical Strikes}}
==== Minion ====
Another possibility is to use attacks to trigger minions, which benefit from attack supports. In addition to the projectile skills listed before, we have some other good choices:
* {{il|Double Strike}}: Causes two hits per attack, only uses main hand when dual-wielding.
* {{il|Cyclone}}: Causes staggered hits rapidly.
Minions generally have poor critical strike capabilities, so critical strike supports are not as effective as they are with projectile spells. Good attack supports include:
* {{il|Faster Attacks Support}}
* {{il|Melee Splash Support}}: While it does not increase procs much due to the splash happening on a single frame, it greatly improves minion effectiveness.
* {{il|Multistrike Support}}: For Melee attacks.
* {{il|Additional Accuracy Support}}: Improves minion accuracy greatly, removes the need for accuracy on gear.
* Since patch 2.0.0, increasing gem quality on {{il|Additional Accuracy Support}} no longer grants 1% increased chance of critical strike per 1% gem quality, and instead gives a simple 1% increased accuracy per 1% gem quality. '''Accuracy is a desirable stat''', as one cannot crit what they cannot actually hit. '''However, the loss of the critical strike stat granted from gem quality means this is no longer a top-tier supporting gem choice'''. Losing the critical strike chance affects not only the minion gem in the link; as mentioned minions have poor critical strike capabilities, and were only the minion affected there would be no noticable difference after patch 2.0.0. Of course, this is not the case, as the critical strike chance also affects the attack you are using to proc CoC (the 'trigger' spell), and any other spells to be cast on critical strike (the 'triggered' spells) in the link. This essentially results in less CoC procs overall, less damage from your trigger spell, and less critical hits from your triggered spells as well. This triple-whammy means that Additional Accuracy Support is no longer the top-tier option that it once was, with or without an attached minion and minion-buffing support gems. When considering ''only'' the minion, and ignoring any of the triggering/triggered spells & CoC proc rate, the golem/minion is likely perform better with a Faster Attacks Support instead of Additional Accuracy Support; minions will miss more, but making far more attacks per measurement of time. '''No longer recommended in a CoC link since patch 2.0.0 except to fill in accuracy you desperately need''' due to poor passive tree and/or gear options.
Most minions are severely capped in number and thus do not benefit much from the high proc rate of Cast On Critical Strike. However, there is one that works well:
* {{il|Summon Raging Spirit}}
=== Weapon choice ===
The choice of weapon on a character will affect both the variety of attacks that can proc Cast on Crit, as well as the investment into critical strike chance required. Generally, a weapon with high critical strike chance and attack speed is preferred.
=== Passives and gear ===
Melee skills such as {{il|Cyclone}}, {{il|Static Strike}}, etc. will prefer weapons such as {{il|Jewelled Foil}}, {{il|Karui Sceptre}}, {{il|Imperial Skean}}, or {{il|Imperial Claw}}/{{il|Gemini Claw}}.
Since "double-dipping" on support gems is key to an effective Cast On Critical Strike setup, having a 5- or 6-link is more important than it is for most builds.
Bow skills such as {{il|Tornado Shot}} or {{il|Blast Rain}} typically prefer a {{il|Spine Bow}}.
Unlike conventional attack builds, attack damage is not necessary on passives or gear, though it can be helpful in situations where the linked spells are less effective. Attack speed and critical strike chance are the two essential statistics.
Wand skills such as {{il|Kinetic Blast}} typically prefer an {{il|Imbued Wand}}.
Some base item types tend to have better critical hits per second than others:
Some two-handed weapons such as {{il|Spine Bow}} and {{il|Exquisite Blade}} can roll a modifier that grants {{c|mod|Socketed Gems are supported by Level 18 Cast On Critical Strike}} if it has [[List_of_shaper_modifiers|Shaper influence]].
# Wands
Various unique weapons are often used with CoC, such as {{il|Cospri's Malice}}. Some granted skills from weapons can replace the attack or spell of a CoC setup, such as {{il|Martyr of Innocence}}'s {{sl|id=Vengeance}}, {{il|Ngamahu's Flame}}'s {{sl|Molten Burst}}, or {{il|The Whispering Ice}}'s {{sl|Icestorm}}. Note that triggered attacks can trigger a CoC spell, but attempting to support a spell with a trigger condition with Cast on Crit will disable it due to exceeding the [[trigger limit]].
# Claws, Daggers
# Sceptres, Thrusting Swords
# Bows, Staves, 1H Swords
Possibly good uniques to use include:
=== Support gem synergy ===
While the attack skill is generally not scaled as a primary damage source, support gems modifying the spell can have synergistic effects with the attack. For example, a setup using {{il|Chain Support}} or {{il|Greater Multiple Projectiles Support}} with {{il|Fireball}} may prefer using projectiles like {{il|Tornado Shot}} or {{il|Kinetic Blast}}. Alternatively, a setup using {{il|Increased Area of Effect Support}} with {{il|Ice Nova}} may prefer using {{il|Cyclone}}.
{| class="wikitable sortable"
! Item !! Perfect crits/s
|-
| {{il|Death's Harp}} || 9.08%
|-
| {{il|Doomfletch}} || 11.17%
|-
| {{il|Quill Rain}} || 15.50%
|-
| {{il|Windripper}} || 17.25%
|-
| {{il|Mortem Morsu}} || 13.16%
|-
| {{il|Bino's Kitchen Knife}} || 14.28%
|-
| {{il|Ungil's Gauche}} || 10.47%
|-
| {{il|Divinarius}} || 10.47%
|-
| {{il|Brightbeak}} || 12.19%
|-
| {{il|Doryani's Catalyst}} || 10.75%
|-
| {{il|Hegemony's Era}} || 12.09%
|-
| {{il|Dreamfeather}} || 10.00%
|-
| {{il|Piscator's Vigil}} || 16.67%
|-
| {{il|Trypanon}} || 63.00%
|} -->
==Related modifiers==
==Related modifiers==
The following [[modifier]]s are related to Cast On Critical Strike Support:
The following [[modifier]]s are related to Cast On Critical Strike Support:
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The list below displays Cast On Critical Strike Support related modifiers where all spawn weights have been set to zero.
The list below displays Cast On Critical Strike Support related modifiers where all spawn weights have been set to zero.
|q_where = granted_skill LIKE "%SupportCastOnCrit%"
|q_where = granted_skill LIKE "%SupportCastOnCrit%"
|q_having = SUM(spawn_weights.weight) = 0
|q_having = SUM(mod_spawn_weights.value) = 0
|q_groupBy = spawn_weights._pageID
|q_groupBy = mod_spawn_weights._pageID
|stat_text=1
|stat_text=1
|level=1
|level=1
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==Related unique items==
==Related unique items==
The following [[unique item]]s are related to Cast On Critical Strike Support:
The following [[unique item]]s are related to Cast On Critical Strike Support:
{{Query unique items
{{Drop enabled unique item table
|tables = item_stats
|tables = item_stats
|join = item_stats._pageName=items._pageName
|join = item_stats._pageName=items._pageName
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{{Version history table header}}
{{Version history table header}}
{{Version history table row|3.17.0|
{{Version history table row|3.17.0|
* Cast on Critical Strike Support now deal 19% less Spell Damage at gem level 1 (previously 20% more), and 10% less at gem level 20 (previously 29% more).
* Supported Skills now deal {{c|mod|19% less Spell Damage}} at gem level 1 (previously {{c|mod|20% more}}), and {{c|mod|10% less}} at gem level 20 (previously {{c|mod|29% more}}).
}}
}}
{{Version history table row|3.16.0|
{{Version history table row|3.16.0|
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{{Version history table row|3.15.0|
{{Version history table row|3.15.0|
* Trigger skill gems now cost mana.
* Trigger skill gems now cost mana.
* Supported Skills now deal 20-29% more Spell Damage (previously 20-39%).
* Supported Skills now deal {{c|mod|20-29% more Spell Damage}} (previously 20-39%).
}}
}}
{{Version history table row|3.5.0|
{{Version history table row|3.5.0|
Revision as of 23:22, 11 May 2024
Cast On Critical Strike SupportCritical, Support, Spell, Trigger Icon: & Level: (1-20) Cost & Reservation Multiplier: 120% Cooldown Time: 0.15 sec Can Store 1 Use(s)Requires Level 38Must support both an attack skill and a spell skill to work. The attack skill will trigger a spell when it critically strikes an enemy. Cannot support totems, traps, or mines. Vaal skills, channelling skills, and skills with a reservation cannot be triggered.Supported Attacks will Trigger a Supported Spell when you Crit an Enemy Supported Skills deal (19-10)% less Spell Damage
Additional Effects From 1-20% Quality: Supported Skills have (1-20)% increased Attack Critical Strike Chance Supported Skills have (1-20)% increased Spell Critical Strike ChanceThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket.
Acquisition Drop level: 38Vendor Offer 1x Scroll FragmentMetadata Item class: Support Gem Metadata ID: Metadata/Items/Gems/SupportGemCastOnCrit
If more than one spell is supported by Cast on Crit Support, the order of the triggered spells will follow the trigger order. (Successive triggers cycle through all valid supported spells in the same order.) Each supported skill has its own cooldown, except multiple copies of the same spell, which share their cooldown.
Due to how server frames are calculated, there are breakpoints of cooldown recovery rates required to achieve a higher effective trigger rate.[1]. Additional CDR that does not reach the next threshold is wasted.
The attack rates below are maximums; exceeding the attack rates even slightly can significantly reduce proc rate due to skipping procs while the skill is still on cooldown. It is better to be slightly below the attack rate than above it. Note that multiples of the attack rate also work (e.g. 12.12 APS will proc at the same rate as 6.06 APS).
Cooldown Rate
Effective Cooldown
Attack Rate
0%
165 ms
6.06
14%+
132 ms
7.57
52%+
99 ms
10.10
128%+
66 ms
15.15
Gem level progression
Level
Less Spell Damage
Exp.
Total Exp.
1
38
40
27
19%
0
0
2
40
41
29
19%
388734
388734
3
42
43
30
18%
477437
866171
4
44
45
31
18%
583786
1449957
5
46
47
33
17%
710359
2160316
6
48
49
34
17%
1355511
3515827
7
50
51
35
16%
1138877
4654704
8
52
53
37
16%
1368233
6022937
9
54
55
38
15%
1638338
7661275
10
56
57
39
15%
1956648
9617923
11
58
58
41
14%
3655184
13273107
12
60
60
42
14%
3017327
16290434
13
62
62
43
13%
3576232
19866666
14
64
64
44
13%
4231667
24098333
15
65
65
45
12%
2395078
26493411
16
66
66
46
12%
8421063
34914474
17
67
67
46
11%
16159983
51074457
18
68
68
47
11%
41170367
92244824
19
69
69
48
10%
86794448
179039272
20
70
70
48
10%
157405063
336444335
21
72
72
50
9%
N/A
N/A
22
74
N/A
N/A
9%
N/A
N/A
23
76
N/A
N/A
8%
N/A
N/A
24
78
N/A
N/A
8%
N/A
N/A
25
80
N/A
N/A
7%
N/A
N/A
26
82
N/A
N/A
7%
N/A
N/A
27
84
N/A
N/A
6%
N/A
N/A
28
86
N/A
N/A
6%
N/A
N/A
29
88
N/A
N/A
5%
N/A
N/A
30
90
N/A
N/A
5%
N/A
N/A
31
91
N/A
N/A
5%
N/A
N/A
32
92
N/A
N/A
4%
N/A
N/A
33
93
N/A
N/A
4%
N/A
N/A
34
94
N/A
N/A
4%
N/A
N/A
35
95
N/A
N/A
3%
N/A
N/A
36
96
N/A
N/A
3%
N/A
N/A
37
97
N/A
N/A
3%
N/A
N/A
38
98
N/A
N/A
3%
N/A
N/A
39
99
N/A
N/A
3%
N/A
N/A
40
100
N/A
N/A
2%
N/A
N/A
Gem quality
Type
Stats (per 1% quality)
Weight
Superior
Supported Skills have 1% increased Attack Critical Strike Chance Supported Skills have 1% increased Spell Critical Strike Chance
50
Anomalous
Supported Skills deal 1% more Attack Damage
50
Divergent
Supported Skills have 0.5% increased Attack Speed
100
Item acquisition
Cast On Critical Strike Support can drop anywhere.
Recipes
Cast On Critical Strike Support can be created from the following recipes:
Amount
Part
Description
Meta
13
The CataclysmThe Cataclysm13Level 21 Spell Gem CorruptedThe mighty warriors traded in blows, the nimble archers in arrows, yet it was the brazen thaumaturgists who would bring catastrophe to all.
Random corruptedlevel 21 Spell gem
A
9
Gift of the Gemling QueenGift of the Gemling Queen9Level 20 Support GemOur Lady Dialla, as a symbol of our progress, shines greater than all the gems.
Random level 20 support gem
A
7
Dialla's SubjugationDialla's Subjugation7Support Gem Quality:+23% CorruptedA symbol of beauty and innocence The gems corrupted her mind Malachai corrupted her gems All but a glimmer of greatness lost in madness
Random corruptedsupport gem with 23% quality
A
6
The FoxThe Fox6Level 20 Gem"Masters of wit, strength and cunning. To survive the harsh winters, you must be like the fox." - Ezomyte Proverb
Random level 20 gem
A
3
Gemcutter's PromiseGemcutter's Promise3Gem Quality:+20%"I swore to use my position to help the people. What good is power when it just accumulates on the already-powerful?" - Erasmus, Imperial Gemcutter
Random gem with 20% quality
A
1
Gemcutter's IncubatorGemcutter's IncubatorStack Size: 10Adds an incubated Quality Gem item to an equippable item Item drops after killing {0} monstersRight click this item then left click an item to apply it. The Incubated item drops after killing a specific number of monsters.
Random gem with 1–20% quality
A
1
The VoidThe Void1Reach into the Void and claim your prize.
Random divination card set exchange
A
Vendor reward
This item can be bought at the listed NPC vendors, after completing the following quests:
Fundamentally, a Cast on Crit setup requires an attack, a spell, and the Cast on Crit Support itself. Each of these pieces can be from gems, or one of them can be replaced by modifiers or skills granted by items.
Certain skills that can deal multiple hits throughout its animation such as Spectral ThrowSpectral ThrowAttack, Projectile Level: (1-20) Cost: (5-8) Mana Attack Speed: 110% of base Attack Damage: (80-125)% of base Effectiveness of Added Damage: (80-125)% Projectile Speed: 1000Throws a spectral copy of your melee weapon. It flies out and then returns to you, in a spinning attack that damages enemies in its path. Additional Effects From 1-20% Quality: Projectiles that have Pierced deal (0.5-10)% more DamagePlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. and Lancing SteelLancing SteelAttack, Projectile, Physical Level: (1-20) Cost: (8-10) Mana Attack Speed: 80% of base Attack Damage: (63-106)% of base Effectiveness of Added Damage: (63-106)%Requires Level 28Thrust an Axe or Sword forward, consuming your Steel Shards to form a cluster of shards in front of you. The cluster will fire a number of projectiles in sequence, aiming at enemies in front of or close to it. Steel Shards are gained with the Call of Steel Skill.(20-113) to (30-169) Added Attack Physical Damage Fires 4 Projectiles Fires 50% more Projectiles per Steel Shard consumed 20% chance to Impale Enemies on Hit Hits after the first on each Enemy deal 60% less Damage Consumes up to 4 Steel Shards
Additional Effects From 1-20% Quality: Fires +(0.05-1) ProjectilesPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. can proc spells multiple times with a single attack.
Weapon choice
The choice of weapon on a character will affect both the variety of attacks that can proc Cast on Crit, as well as the investment into critical strike chance required. Generally, a weapon with high critical strike chance and attack speed is preferred.
Melee skills such as CycloneCycloneAttack, AoE, Movement, Channelling, Physical, Melee Level: (1-20) Cost: 2 Mana Attack Speed: 300% of base Attack Damage: (44-59)% of base Effectiveness of Added Damage: (44-59)% AoE Radius: 1.6Requires Level 28Channel this skill to move towards a targeted location while spinning constantly attacking enemies in an area around you. While channelling this skill, you cannot be knocked back.(5-28) to (8-42) Added Attack Physical Damage 10% increased Area of Effect per 0.1 metre additional Melee Strike Range 30% less Movement Speed
Additional Effects From 1-20% Quality: (0.5-10)% more Movement SpeedPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket., Static StrikeStatic StrikeAttack, Melee, Strike, AoE, Duration, Lightning, Chaining Level: (1-20) Cost: 6 Mana Attack Damage: (110-188)% of base Effectiveness of Added Damage: (110-188)% AoE Radius: 19Requires Level 12Attack with a melee weapon, gaining static energy for a duration if you hit an enemy. While you have static energy, you'll frequently hit a number of nearby enemies with beams, dealing attack damage.50% of Physical Damage Converted to Lightning Damage Base duration is 3.00 seconds Beams Hit Enemies every (0.40-0.32) seconds Chains +1 Times Beams deal 40% less Damage (4-6) maximum Beam Targets
Additional Effects From 1-20% Quality: (1-20)% increased Beam frequencyPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket., etc. will prefer weapons such as Jewelled FoilJewelled FoilOne Handed Sword Physical Damage: 32-60 Critical Strike Chance: 5.50% Attacks per Second: 1.60 Weapon Range: 1.4 metresRequires Level 68, 212 Dex+25% to Global Critical Strike Multiplier, Karui SceptreKarui SceptreSceptre Physical Damage: 37-55 Critical Strike Chance: 6.00% Attacks per Second: 1.50 Weapon Range: 1.1 metresRequires Level 56, 96 Str, 96 Int26% increased Elemental Damage, Imperial SkeanImperial SkeanRune Dagger Physical Damage: 18-73 Critical Strike Chance: 6.30% Attacks per Second: 1.50 Weapon Range: 1.0 metresRequires Level 66, 95 Dex, 131 Int30% increased Global Critical Strike Chance, or Imperial ClawImperial ClawClaw Physical Damage: 25-65 Critical Strike Chance: 6.00% Attacks per Second: 1.60 Weapon Range: 1.1 metresRequires Level 68, 131 Dex, 95 IntGrants 46 Life per Enemy Hit/Gemini ClawGemini ClawClaw Physical Damage: 23-68 Critical Strike Chance: 6.30% Attacks per Second: 1.50 Weapon Range: 1.1 metresRequires Level 72, 121 Dex, 121 IntGrants 14 Mana per Enemy Hit Grants 38 Life per Enemy Hit.
Bow skills such as Tornado ShotTornado ShotAttack, Projectile, Bow Level: (1-20) Cost: (10-12) Mana Attack Speed: 80% of base Attack Damage: (100-120)% of base Effectiveness of Added Damage: (100-120)%Requires Level 28Fires a piercing shot that travels until it reaches the targeted location. It will then fire projectiles out in all directions from that point, which will travel for a short time before disappearing.Fires 3 secondary Projectiles
Additional Effects From 1-20% Quality: (2-40)% increased Projectile SpeedPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. or Blast RainBlast RainFire, Attack, AoE, Projectile, Bow Level: (1-20) Cost: (8-10) Mana Attack Damage: (30-35)% of base Effectiveness of Added Damage: (30-36)%Requires Level 28Fires arrows up in the air, to rain down in an area. Each arrow deals area damage around where it lands, and they will all overlap on the targeted location.Fires 6 Arrows 100% of Physical Damage Converted to Fire Damage Penetrates (20-30)% Fire Resistance
Additional Effects From 1-20% Quality: Fires +(0.05-1) ArrowsPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. typically prefer a Spine BowSpine BowBow Physical Damage: 38-115 Critical Strike Chance: 6.50% Attacks per Second: 1.40Requires Level 64, 212 Dex.
Wand skills such as Kinetic BlastKinetic BlastAttack, Projectile, AoE Level: (1-20) Cost: (15-16) Mana Attack Damage: (140-155)% of base Effectiveness of Added Damage: (140-155)% AoE Radius: 14Requires Level 28Fires a projectile from a Wand that causes a series of area explosions in a secondary radius around its point of impact, each damaging enemies.Kinetic Blast creates 4 additional explosions 35% less Area Damage Base explosion radius is 1.4 metres Base secondary radius is 2 metres
Additional Effects From 1-20% Quality: Kinetic Blast creates (0.05-1) additional explosionsPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. typically prefer an Imbued WandImbued WandWand Physical Damage: 29-53 Critical Strike Chance: 7.00% Attacks per Second: 1.50Requires Level 59, 188 Int(33-37)% increased Spell Damage.
Some two-handed weapons such as Spine BowSpine BowBow Physical Damage: 38-115 Critical Strike Chance: 6.50% Attacks per Second: 1.40Requires Level 64, 212 Dex and Exquisite BladeExquisite BladeTwo Hand Sword Physical Damage: 67-112 Critical Strike Chance: 5.70% Attacks per Second: 1.35 Weapon Range: 1.3 metresRequires Level 70, 119 Str, 131 Dex+50% to Global Critical Strike Multiplier can roll a modifier that grants Socketed Gems are supported by Level 18 Cast On Critical Strike if it has Shaper influence.
Various unique weapons are often used with CoC, such as Cospri's MaliceCospri's Malice Jewelled FoilOne Handed Sword Elemental Damage: (80-100) to (160-200) Critical Strike Chance: 5.50% Attacks per Second: (1.73-1.82) Weapon Range: 1.4 metresRequires Level 68, 212 Dex, 257 Int+25% to Global Critical Strike MultiplierTrigger a Socketed Cold Spell on Melee Critical Strike, with a 0.25 second Cooldown No Physical Damage Adds (80-100) to (160-200) Cold Damage Adds (40-60) to (90-110) Cold Damage to Spells (8-14)% increased Attack Speed +257 Intelligence Requirement 60% increased Critical Strike Chance against Chilled EnemiesBreathe deep, my child. Let the frigid air engulf your soul. Embrace the eternal cold, And it will embrace you back.. Some granted skills from weapons can replace the attack or spell of a CoC setup, such as Martyr of InnocenceMartyr of Innocence Highborn StaffStaff Physical Damage: 48-145 Elemental Damage: (315-360) to (450-540) Critical Strike Chance: 6.50% Attacks per Second: 1.15 Weapon Range: 1.3 metresRequires Level 52, 89 Str, 89 Int+18% Chance to BlockAttack Damage while wielding a StaffGrants Level 15 VengeanceSkill +(12-16)% Chance to BlockAttack Damage while wielding a Staff 100% increased Fire Damage Adds (315-360) to (450-540) Fire Damage Battlemage Damage Penetrates 15% of Fire Resistance if you have Blocked Recently Immune to Freeze and Chill while IgnitedYou have been found guilty. Let the fires cleanse you of your sins.'s Vengeance, Ngamahu's FlameNgamahu's Flame Abyssal AxeTwo Handed Axe Physical Damage: (218.7-234.9) to (326.7-350.9) Critical Strike Chance: 5.00% Attacks per Second: (1.35-1.40) Weapon Range: 1.3 metresRequires Level 55, 128 Str, 60 Dex20% chance to Trigger Level 16 Molten Burst on Melee Hit (170-190)% increased Physical Damage (8-12)% increased Attack Speed 60% of Physical Damage Converted to Fire Damage Damage Penetrates 20% Fire Resistance"The Karui savages claim the weapon was forged by their fire god. I'm rather inclined to believe them." - Fairgraves, Renowned Explorer's Molten Burst, or The Whispering IceThe Whispering Ice Vile StaffWarstaff Physical Damage: 41-76 Critical Strike Chance: 6.10% Attacks per Second: 1.30 Weapon Range: 1.3 metresRequires Level 33, 59 Str, 59 Int+18% Chance to BlockAttack Damage while wielding a Staff+1 to Level of Socketed Support Gems Grants Level 1 Icestorm Skill Plays Whispering Ice sound on killing a rare Monster (Hidden) (14-18)% increased Intelligence (8-12)% increased Cast Speed 1% increased Spell Damage per 10 IntelligenceGuard your darkest thoughts well, for they are the cracks through which the Nightmare crawls.'s Icestorm. Note that triggered attacks can trigger a CoC spell, but attempting to support a spell with a trigger condition with Cast on Crit will disable it due to exceeding the trigger limit.
Support gem synergy
While the attack skill is generally not scaled as a primary damage source, support gems modifying the spell can have synergistic effects with the attack. For example, a setup using Chain SupportChain SupportSupport, Chaining, Projectile Icon: c Level: (1-20) Cost & Reservation Multiplier: 150%Requires Level 38Supports projectile skills, and any other skills that chain.Supported Skills Chain +2 times Supported Skills deal (30-11)% less Damage with Hits
Additional Effects From 1-20% Quality: Supported Skills have (0.5-10)% increased Chaining rangeThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket. or Greater Multiple Projectiles SupportGreater Multiple Projectiles SupportSupport, Projectile Icon: P Level: (1-20) Cost & Reservation Multiplier: 150%Requires Level 38Supports projectile skills.Supported Skills deal (35-26)% less Projectile Damage Supported Skills fire 4 additional Projectiles
Additional Effects From 1-20% Quality: Supported Skills deal (0.5-10)% increased Projectile DamageThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket. with FireballFireballProjectile, Spell, AoE, Fire Level: (1-20) Cost: (6-25) Mana Cast Time: 0.75 sec Critical Strike Chance: 6.00% Effectiveness of Added Damage: 370% Projectile Speed: 1040 AoE Radius: 9Unleashes a ball of fire towards a target which explodes, damaging nearby foes.Deals (9-1640) to (14-2460) Fire Damage 25% chance to Ignite enemies Base radius is (0.9-1.4) metres
Additional Effects From 1-20% Quality: Base radius is (0.01-0.2) metresPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. may prefer using projectiles like Tornado ShotTornado ShotAttack, Projectile, Bow Level: (1-20) Cost: (10-12) Mana Attack Speed: 80% of base Attack Damage: (100-120)% of base Effectiveness of Added Damage: (100-120)%Requires Level 28Fires a piercing shot that travels until it reaches the targeted location. It will then fire projectiles out in all directions from that point, which will travel for a short time before disappearing.Fires 3 secondary Projectiles
Additional Effects From 1-20% Quality: (2-40)% increased Projectile SpeedPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. or Kinetic BlastKinetic BlastAttack, Projectile, AoE Level: (1-20) Cost: (15-16) Mana Attack Damage: (140-155)% of base Effectiveness of Added Damage: (140-155)% AoE Radius: 14Requires Level 28Fires a projectile from a Wand that causes a series of area explosions in a secondary radius around its point of impact, each damaging enemies.Kinetic Blast creates 4 additional explosions 35% less Area Damage Base explosion radius is 1.4 metres Base secondary radius is 2 metres
Additional Effects From 1-20% Quality: Kinetic Blast creates (0.05-1) additional explosionsPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.. Alternatively, a setup using Increased Area of Effect SupportIncreased Area of Effect SupportSupport, AoE Icon: E Level: (1-20) Cost & Reservation Multiplier: 130%Requires Level 38Supports any skill with an area of effect.Supported Skills have (30-49)% increased Area of Effect
Additional Effects From 1-20% Quality: Supported Skills deal (0.5-10)% increased Area DamageThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket. with Ice NovaIce NovaSpell, AoE, Cold, Nova Level: (1-20) Cost: (8-23) Mana Cast Time: 0.70 sec Critical Strike Chance: 6.00% Effectiveness of Added Damage: 230% AoE Radius: 30Requires Level 12A circle of ice expands from the caster.Deals (23-988) to (34-1481) Cold Damage Base radius is (2.6-3) metres
Additional Effects From 1-20% Quality: Base radius is (0.015-0.3) metresPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. may prefer using CycloneCycloneAttack, AoE, Movement, Channelling, Physical, Melee Level: (1-20) Cost: 2 Mana Attack Speed: 300% of base Attack Damage: (44-59)% of base Effectiveness of Added Damage: (44-59)% AoE Radius: 1.6Requires Level 28Channel this skill to move towards a targeted location while spinning constantly attacking enemies in an area around you. While channelling this skill, you cannot be knocked back.(5-28) to (8-42) Added Attack Physical Damage 10% increased Area of Effect per 0.1 metre additional Melee Strike Range 30% less Movement Speed
Additional Effects From 1-20% Quality: (0.5-10)% more Movement SpeedPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket..
Related modifiers
The following modifiers are related to Cast On Critical Strike Support:
The following unique items are related to Cast On Critical Strike Support:
Item
Base Item
Stats
Forbidden ShakoForbidden Shako Great CrownArmour: (143-161) Energy Shield: (29-33)Requires Level 68, 59 Str, 59 IntSocketed Gems are Supported by Level (1-10) <random Support Gem> Socketed Gems are Supported by Level (25-35) <random Support Gem> +(25-30) to all AttributesThe Azmeri must never touch the Tears of Maji, lest Viridi weep.
Socketed Gems are Supported by Level (1-10) <random Support Gem> Socketed Gems are Supported by Level (25-35) <random Support Gem> +(25-30) to all Attributes
The Hungry LoopThe Hungry Loop Unset RingRequires Level 70Has 1 SocketConsumes Socketed Uncorrupted Support Gems when they reach Maximum Level Can Consume 4 Uncorrupted Support Gems Has not Consumed any Gems <Consumed support gem modifier>Be careful where you put your finger.
For Cast on Critical Strike, Cast on Melee Kill SupportCast on Melee Kill SupportSupport, Melee, Attack, Spell, Trigger Icon: & Level: (1-20) Cost & Reservation Multiplier: 120% Cooldown Time: 0.15 sec Can Store 1 Use(s)Requires Level 38Must support both a melee attack skill and a spell skill to work. The attack skill will trigger a spell when it kills an enemy. Cannot support totems, traps, or mines. Vaal skills, channelling skills, and skills with a reservation cannot be triggered.Supported Melee Attacks will Trigger a Supported Spell on Kill Supported Spells have (20-39)% more Spell Damage
Additional Effects From 1-20% Quality: Supported Skills deal (0.5-10)% increased Attack Damage Supported Skills deal (0.5-10)% increased Spell DamageThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket., MjölnerMjölner GavelOne Handed Mace Physical Damage: (97.2-118.8) to (181.8-222.2) Critical Strike Chance: 5.00% Attacks per Second: 1.15 Weapon Range: 1.1 metresRequires Level 60, 412 Str, 300 Int15% reduced Enemy Stun ThresholdTrigger a Socketed Lightning Spell on Hit, with a 0.25 second Cooldown Socketed Lightning Spells have no Cost if Triggered +300 Intelligence Requirement +200 Strength Requirement (80-120)% increased Physical Damage Skills Chain +1 times (80-100)% increased Lightning DamageLook the storm in the eye and you will have its respect. and Cospri's MaliceCospri's Malice Jewelled FoilOne Handed Sword Elemental Damage: (80-100) to (160-200) Critical Strike Chance: 5.50% Attacks per Second: (1.73-1.82) Weapon Range: 1.4 metresRequires Level 68, 212 Dex, 257 Int+25% to Global Critical Strike MultiplierTrigger a Socketed Cold Spell on Melee Critical Strike, with a 0.25 second Cooldown No Physical Damage Adds (80-100) to (160-200) Cold Damage Adds (40-60) to (90-110) Cold Damage to Spells (8-14)% increased Attack Speed +257 Intelligence Requirement 60% increased Critical Strike Chance against Chilled EnemiesBreathe deep, my child. Let the frigid air engulf your soul. Embrace the eternal cold, And it will embrace you back., only one skill can be triggered per trigger event.
The spell that is triggered is determined based on the order in which it is socketed, and will cast supported spells in sequence, even across multiple attacks. These items and skills also have cooldowns which limit how often a skill is cast.
These cooldowns apply per-triggered-skill, rather than applying to the trigger gem itself.
Cast on Critical Strike now has a 500ms cooldown, and will now only trigger one spell per frame when you critically strike. It now has 100% chance to trigger casts when you critically strike. It now has 20% more spell damage at level 1, tapered up to 39% at level 20 (1% per level).