Boneshatter of Complex Trauma

Boneshatter of Complex TraumaAttack, Melee, Strike, AoE, Duration, Physical
Level: (1-20)
Cost: 5 Mana
Attack Speed: 70% of base
Attack Damage: (200-250)% of base
Effectiveness of Added Damage: (200-250)%Requires Level 28Attack enemies with a forceful melee strike that also hurts you. Successive uses will raise the damage dealt both to enemies and you. Stunning an enemy with the strike releases a damaging pulse. Requires a Mace, Sceptre, Axe or Staff.(11-158) to (17-238) Added Attack Physical Damage
+0.2 metres to Melee Strike Range
Lose all Trauma on reaching 10 Trauma
Gain 1 Trauma the first time this Attack Hits an Enemy
Take (#-497) Physical Damage per Trauma when you gain Trauma
Trauma lasts 6.0 seconds
(#-20)% more Damage per Trauma
Pulse has 15% increased Area of Effect per 0.1s of Stun Duration, up to 400%Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.

Acquisition
Drop restricted
Drop level: 28
This item is a transfigured gem. It can be obtained through the use of the Divine Font in the Lord's Labyrinth.Vendor Offer
1x Scroll FragmentMetadata
Item class: Skill Gem

Boneshatter of Complex Trauma is a melee attack skill and also hurts you. Successive uses will raise the damage dealt both to enemies and you through Trauma stacks which reset after reaching 10 stacks. Stunning an enemy with the strike releases a damaging area of effect pulse.

Boneshatter can be used with a Mace, Sceptre, Axe or Staff.

It is a transfigured version of BoneshatterBoneshatterAttack, Melee, Strike, AoE, Duration, Physical
Level: (1-20)
Cost: 5 Mana
Attack Speed: 85% of base
Attack Damage: (200-250)% of base
Effectiveness of Added Damage: (200-250)%Requires Level 28Attack enemies with a forceful melee strike that also hurts you. Successive uses will raise the damage dealt both to enemies and you. Stunning an enemy with the strike releases a damaging pulse. Requires a Mace, Sceptre, Axe or Staff.(11-158) to (17-238) Added Attack Physical Damage
+0.2 metres to Melee Strike Range
Gain 1 Trauma the first time this Attack Hits an Enemy
Take (6-194) Physical Damage per Trauma when you gain Trauma
Trauma lasts 6.0 seconds
(2-4)% more Damage per Trauma
Pulse has 15% increased Area of Effect per 0.1s of Stun Duration, up to 400%

Additional Effects From 1-20% Quality:
+(0.05-1)% more Damage per TraumaPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket..

Changes from default version

Unlike the original skill, this transfigured version causes you deal and take more damage from Trauma, while also resetting Trauma once it reaches 20 stacks.

Skill functions and interactions

Main page: Trauma

BoneshatterBoneshatterAttack, Melee, Strike, AoE, Duration, Physical
Level: (1-20)
Cost: 5 Mana
Attack Speed: 85% of base
Attack Damage: (200-250)% of base
Effectiveness of Added Damage: (200-250)%Requires Level 28Attack enemies with a forceful melee strike that also hurts you. Successive uses will raise the damage dealt both to enemies and you. Stunning an enemy with the strike releases a damaging pulse. Requires a Mace, Sceptre, Axe or Staff.(11-158) to (17-238) Added Attack Physical Damage
+0.2 metres to Melee Strike Range
Gain 1 Trauma the first time this Attack Hits an Enemy
Take (6-194) Physical Damage per Trauma when you gain Trauma
Trauma lasts 6.0 seconds
(2-4)% more Damage per Trauma
Pulse has 15% increased Area of Effect per 0.1s of Stun Duration, up to 400%

Additional Effects From 1-20% Quality:
+(0.05-1)% more Damage per TraumaPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. cannot be supported by . Skills that gain bonuses based on your Trauma stacks do not care about the source of that trauma; for example, if you use BoneshatterBoneshatterAttack, Melee, Strike, AoE, Duration, Physical
Level: (1-20)
Cost: 5 Mana
Attack Speed: 85% of base
Attack Damage: (200-250)% of base
Effectiveness of Added Damage: (200-250)%Requires Level 28Attack enemies with a forceful melee strike that also hurts you. Successive uses will raise the damage dealt both to enemies and you. Stunning an enemy with the strike releases a damaging pulse. Requires a Mace, Sceptre, Axe or Staff.(11-158) to (17-238) Added Attack Physical Damage
+0.2 metres to Melee Strike Range
Gain 1 Trauma the first time this Attack Hits an Enemy
Take (6-194) Physical Damage per Trauma when you gain Trauma
Trauma lasts 6.0 seconds
(2-4)% more Damage per Trauma
Pulse has 15% increased Area of Effect per 0.1s of Stun Duration, up to 400%

Additional Effects From 1-20% Quality:
+(0.05-1)% more Damage per TraumaPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. to generate trauma, skills supported by will still be granted added Physical Damage even if they themselves did not generate the trauma.

Gaining Trauma

Hitting an enemy with BoneshatterBoneshatterAttack, Melee, Strike, AoE, Duration, Physical
Level: (1-20)
Cost: 5 Mana
Attack Speed: 85% of base
Attack Damage: (200-250)% of base
Effectiveness of Added Damage: (200-250)%Requires Level 28Attack enemies with a forceful melee strike that also hurts you. Successive uses will raise the damage dealt both to enemies and you. Stunning an enemy with the strike releases a damaging pulse. Requires a Mace, Sceptre, Axe or Staff.(11-158) to (17-238) Added Attack Physical Damage
+0.2 metres to Melee Strike Range
Gain 1 Trauma the first time this Attack Hits an Enemy
Take (6-194) Physical Damage per Trauma when you gain Trauma
Trauma lasts 6.0 seconds
(2-4)% more Damage per Trauma
Pulse has 15% increased Area of Effect per 0.1s of Stun Duration, up to 400%

Additional Effects From 1-20% Quality:
+(0.05-1)% more Damage per TraumaPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. or strike skill (other than Boneshatter) supported by will grant you a Trauma stack, giving more Damage or added Physical Damage respectively. However, you will also take Physical Damage per Trauma stack upon gaining a new one. Only one stack can be obtained per attack, regardless of the number of enemies hit. Repeated attacks from will also not grant additional Trauma stacks and only inflicts self-damage every 3rd hit. This can be used to reduce the gain and impact of Trauma for builds incapable of tanking high stacks of Trauma.

Each Trauma stack counts as an individual buff, with each Trauma stack having its own duration. The (now drop-disabled) Jewel therefore grants a damage bonus for each stack of Trauma. Linking Boneshatter or a Trauma skill with Increased Duration SupportIncreased Duration SupportSupport, Duration
Icon: D
Level: (1-20)
Cost & Reservation Multiplier: 130%Requires Level 31Supports any skill with a duration.Supported Skills have (45-64)% increased Skill Effect Duration

Additional Effects From 1-20% Quality:
Supported Skills have (0.5-10)% increased Skill Effect DurationThis 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./Efficacy SupportEfficacy SupportSupport, Duration
Icon: a
Level: (1-20)
Cost & Reservation Multiplier: 130%Requires Level 8Supports any skill that deals damage or has a duration.Supported Skills deal (15-24)% more Damage over Time
Supported Skills have (15-24)% increased Skill Effect Duration

Additional Effects From 1-20% Quality:
Supported Skills deal (0.5-10)% increased Damage over TimeThis 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., cursing yourself/being cursed with , or gaining skill effect duration elsewhere will increase the duration of each Trauma buff stack, reducing the need for high attack speed to maintain high Trauma.

Damage taken from Trauma

With a level 20 gem and N current Trauma stacks, you will take (194<sub>(BoneshatterBoneshatterAttack, Melee, Strike, AoE, Duration, Physical
Level: (1-20)
Cost: 5 Mana
Attack Speed: 85% of base
Attack Damage: (200-250)% of base
Effectiveness of Added Damage: (200-250)%Requires Level 28Attack enemies with a forceful melee strike that also hurts you. Successive uses will raise the damage dealt both to enemies and you. Stunning an enemy with the strike releases a damaging pulse. Requires a Mace, Sceptre, Axe or Staff.(11-158) to (17-238) Added Attack Physical Damage
+0.2 metres to Melee Strike Range
Gain 1 Trauma the first time this Attack Hits an Enemy
Take (6-194) Physical Damage per Trauma when you gain Trauma
Trauma lasts 6.0 seconds
(2-4)% more Damage per Trauma
Pulse has 15% increased Area of Effect per 0.1s of Stun Duration, up to 400%

Additional Effects From 1-20% Quality:
+(0.05-1)% more Damage per TraumaPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.)</sub>/497₍₎146₍₎) *(N+1) physical damage (before damage mitigation) upon your next attack.

The damage taken per Trauma stack counts as a hit, which means that skills like will trigger, Cast when Damage Taken SupportCast when Damage Taken SupportSupport, Spell, Trigger
Icon: !
Level: (1-20)
Cost & Reservation Multiplier: 250%
Cooldown Time: 0.25 sec
Can Store 1 Use(s)Requires Level 38Each supported spell skill will track damage you take, and be triggered when the total damage taken reaches a threshold. Cannot support skills used by totems, traps, or mines. Vaal skills, channelling skills, and skills with a reservation cannot be triggered.This Gem can only Support Skill Gems requiring Level (38-70) or lower
Supported Skills deal (65-27)% less Damage
Trigger Supported Spells when you take (528-3272) total Damage from Hits

Additional Effects From 1-20% Quality:
Supported Skills require (0.5-10)% reduced amount of Damage taken to TriggerThis 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. will trigger, etc. It also allows your armour and/or physical damage reduction to prevent some of the physical damage taken. However, the damage cannot be blocked or evaded via evasion rating/dodge. "Avoid damage from hits" effects (e.g. Elusive) do work, however.

Damage conversion modifiers do not affect the damage from Trauma. However, damage taken as modifiers such as #% of Physical Damage from Hits taken as Cold Damage will shift the damage you take, allowing mitigation via elemental resistances. Additionally, it is possible to chill, freeze, or shock yourself this way; it is not possible to self-inflict damaging ailments unless you have a source of All Damage from Hits can Ignite/Poison you such as .

Recoup is a valuable stat to have due to the escalating damage quickly exceeding and overpowering other forms of recovery, whereas Recoup will always recover the same percentage of damage received.

Gem level progression

Level			Damage Effectiveness	Attack Damage	Exp.	Total Exp.
1	28	67	200%	200%	0	0
2	31	73	203%	202.6%	199345	199345
3	34	79	205%	205.3%	285815	485160
4	37	85	208%	207.9%	401344	886504
5	40	92	211%	210.5%	554379	1440883
6	42	96	213%	213.2%	477437	1918320
7	44	100	216%	215.8%	583786	2502106
8	46	104	218%	218.4%	710359	3212465
9	48	109	221%	221.1%	1355511	4567976
10	50	113	224%	223.7%	1138877	5706853
11	52	117	226%	226.3%	1368233	7075086
12	54	121	229%	228.9%	1638338	8713424
13	56	125	232%	231.6%	1956648	10670072
14	58	130	234%	234.2%	3655184	14325256
15	60	134	237%	236.8%	3017327	17342583
16	62	138	239%	239.5%	7759995	25102578
17	64	142	242%	242.1%	15138193	40240771
18	66	146	245%	244.7%	26083825	66324596
19	68	151	247%	247.4%	62620247	128944843
20	70	155	250%	250%	211708088	340652931
21	72	159	253%	252.6%	N/A	N/A
22	74	N/A	255%	255.3%	N/A	N/A
23	76	N/A	258%	257.9%	N/A	N/A
24	78	N/A	261%	260.5%	N/A	N/A
25	80	N/A	263%	263.2%	N/A	N/A
26	82	N/A	266%	265.8%	N/A	N/A
27	84	N/A	268%	268.4%	N/A	N/A
28	86	N/A	271%	271.1%	N/A	N/A
29	88	N/A	274%	273.7%	N/A	N/A
30	90	N/A	276%	276.3%	N/A	N/A
31	91	N/A	278%	277.6%	N/A	N/A
32	92	N/A	279%	278.9%	N/A	N/A
33	93	N/A	280%	280.3%	N/A	N/A
34	94	N/A	282%	281.6%	N/A	N/A
35	95	N/A	283%	282.9%	N/A	N/A
36	96	N/A	284%	284.2%	N/A	N/A
37	97	N/A	286%	285.5%	N/A	N/A
38	98	N/A	287%	286.8%	N/A	N/A
39	99	N/A	288%	288.2%	N/A	N/A
40	100	N/A	289%	289.5%	N/A	N/A

Gem quality

Type	Additional Effects per 1-20% Quality	Weight
Superior	+(0.25-5)% more Damage per Trauma	1

Related helmet enchantments

The following helmet enchantments affect Boneshatter.

Note that helmet enchantments are no longer obtainable since version 3.23.0 and can only be obtained in permanent leagues as already enchanted items from before this patch.

Name		Labyrinth	Stats	Spawn Weighting
Enchantment Boneshatter Chance for Additional Trauma 1	66	Merciless Labyrinth	Boneshatter has 16% chance to grant +1 Trauma	helmet 100
Enchantment Boneshatter Chance for Additional Trauma 2	75	Eternal Labyrinth	Boneshatter has 24% chance to grant +1 Trauma	helmet 100
Enchantment Boneshatter Damage 1	66	Merciless Labyrinth	25% increased Boneshatter Damage	helmet 100
Enchantment Boneshatter Damage 2	75	Eternal Labyrinth	40% increased Boneshatter Damage	helmet 100
Enchantment Boneshatter Stun Duration 1	66	Merciless Labyrinth	25% increased Boneshatter Stun Duration	helmet 100
Enchantment Boneshatter Stun Duration 2	75	Eternal Labyrinth	40% increased Boneshatter Stun Duration	helmet 100

Alternate skill effects

Boneshatter of Complex Trauma has the following alternate skill effects:

Item	Effect(s)
Celestial Boneshatter EffectCelestial Boneshatter EffectSkill Gem EffectYour Boneshatter becomes a Celestial Effect.	Your Boneshatter becomes a Celestial Effect.

Version history

Version	Changes
3.23.0	Added to the game.