Arc of Oscillating
Level: (1-20)
Cost: (8-23) Mana
Cast Time: 0.70 sec
Critical Strike Chance: 6.00%
Effectiveness of Added Damage: 60%Requires Level 12An arc of lightning reaches from the caster to a targeted enemy and chains to other enemies. Each time the arc chains, it will also chain a secondary arc to another enemy, but this secondary arc cannot chain further.Deals (3-94) to (15-531) Lightning Damage
Chains +6 Times
50% more Damage with Hits and Ailments for each remaining Chain
Additional Effects From 1-20% Quality:
Chains +(0.05-1) TimesPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Drop restricted
Drop level: 12
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
Arc of Oscillating is a lightning spell that creates a chaining pulse of electricity.
It is a transfigured version of ArcArcSpell, Chaining, Lightning
Level: (1-20)
Cost: (8-23) Mana
Cast Time: 0.70 sec
Critical Strike Chance: 6.00%
Effectiveness of Added Damage: 120%Requires Level 12An arc of lightning reaches from the caster to a targeted enemy and chains to other enemies, but not immediately back. Each time the arc chains, it will also chain a secondary arc to another enemy that the main arc has not already hit, which cannot chain further.Deals (6-198) to (32-1122) Lightning Damage
Chains +(4-7) Times
15% more Damage with Hits and Ailments for each remaining Chain
Additional Effects From 1-20% Quality:
Chains +(0.05-1) TimesPlace 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's chaining behaviour allows it to chain between two enemies and allows secondary chains to hit enemies that were hit by the main arc. It also has lower damage and damage effectiveness but has a stronger multiplier for remaining chains.
Skill functions and interactions
Gem level progression
Level | Mana Cost | Lightning Damage | Exp. | Total Exp. | ||
---|---|---|---|---|---|---|
1 | 12 | 33 | 8 | 3 to 15 | 0 | 0 |
2 | 15 | 39 | 9 | 3 to 20 | 15249 | 15249 |
3 | 19 | 48 | 10 | 5 to 27 | 41517 | 56766 |
4 | 23 | 56 | 11 | 6 to 35 | 81983 | 138749 |
5 | 27 | 64 | 12 | 8 to 46 | 147968 | 286717 |
6 | 31 | 73 | 13 | 11 to 60 | 250557 | 537274 |
7 | 35 | 81 | 14 | 14 to 77 | 405086 | 942360 |
8 | 38 | 88 | 15 | 16 to 92 | 447718 | 1390078 |
9 | 41 | 94 | 16 | 19 to 110 | 615318 | 2005396 |
10 | 44 | 100 | 16 | 23 to 131 | 834639 | 2840035 |
11 | 47 | 106 | 17 | 27 to 155 | 1570760 | 4410795 |
12 | 50 | 113 | 18 | 32 to 183 | 1633987 | 6044782 |
13 | 53 | 119 | 19 | 38 to 216 | 2151030 | 8195812 |
14 | 56 | 125 | 19 | 45 to 254 | 2812189 | 11008001 |
15 | 59 | 132 | 20 | 53 to 299 | 5099360 | 16107361 |
16 | 62 | 138 | 21 | 62 to 350 | 9400731 | 25508092 |
17 | 64 | 142 | 21 | 69 to 389 | 15273366 | 40781458 |
18 | 66 | 146 | 22 | 76 to 432 | 26286582 | 67068040 |
19 | 68 | 151 | 22 | 85 to 479 | 62890590 | 129958630 |
20 | 70 | 155 | 23 | 94 to 531 | 212046017 | 342004647 |
21 | 72 | 159 | 24 | 104 to 588 | N/A | N/A |
22 | 74 | N/A | 24 | 115 to 651 | N/A | N/A |
23 | 76 | N/A | 25 | 127 to 720 | N/A | N/A |
24 | 78 | N/A | 25 | 141 to 796 | N/A | N/A |
25 | 80 | N/A | 26 | 155 to 880 | N/A | N/A |
26 | 82 | N/A | 26 | 172 to 972 | N/A | N/A |
27 | 84 | N/A | 27 | 189 to 1073 | N/A | N/A |
28 | 86 | N/A | 27 | 209 to 1184 | N/A | N/A |
29 | 88 | N/A | 28 | 231 to 1307 | N/A | N/A |
30 | 90 | N/A | 28 | 254 to 1441 | N/A | N/A |
31 | 91 | N/A | 28 | 267 to 1513 | N/A | N/A |
32 | 92 | N/A | 29 | 280 to 1588 | N/A | N/A |
33 | 93 | N/A | 29 | 294 to 1667 | N/A | N/A |
34 | 94 | N/A | 29 | 309 to 1750 | N/A | N/A |
35 | 95 | N/A | 29 | 324 to 1836 | N/A | N/A |
36 | 96 | N/A | 30 | 340 to 1927 | N/A | N/A |
37 | 97 | N/A | 30 | 357 to 2022 | N/A | N/A |
38 | 98 | N/A | 30 | 374 to 2122 | N/A | N/A |
39 | 99 | N/A | 30 | 393 to 2226 | N/A | N/A |
40 | 100 | N/A | 31 | 412 to 2335 | N/A | N/A |
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Related helmet enchantments
The following helmet enchantments affect Arc.
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 Arc Damage 1 | 66 | Merciless Labyrinth | 25% increased Arc Damage | helmet 100 |
Enchantment Arc Damage 2 | 75 | Eternal Labyrinth | 40% increased Arc Damage | helmet 75 |
Enchantment Arc Damage Per Chain 1 | 66 | Merciless Labyrinth | Arc deals 8% increased Damage for each time it has Chained | helmet 100 |
Enchantment Arc Damage Per Chain 2 | 75 | Eternal Labyrinth | Arc deals 12% increased Damage for each time it has Chained | helmet 75 |
EnchantmentArcNumOfAdditionalProjectilesInChain1 | 66 | Merciless Labyrinth | Arc Chains an additional time | helmet 0 |
Enchantment Arc Num Of Additional Projectiles In Chain 1 | 75 | Eternal Labyrinth | Arc Chains an additional time | helmet 75 |
Enchantment Arc Shock Chance 1 | 66 | Merciless Labyrinth | Arc has +20% chance to Shock | helmet 100 |
Enchantment Arc Shock Chance 2 | 75 | Eternal Labyrinth | Arc has +30% chance to Shock | helmet 75 |
Alternate skill effects
Arc of Oscillating has the following alternate skill effects:
Item | Effect(s) |
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Version history
Version | Changes |
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3.23.0 |
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