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For the Vaal-themed counterpart, see Vaal Arc.

Arc is a lightning spell that creates a chaining pulse of electricity.

Skill functions and interactions[]

  • Chain: Arc deals 15% more damage per remaining chain. Arc gains base chains from gem level, and additional sources of chain such as Lua error: Error: invalid field alias "items._pageName"; aliases cannot contain dots or quotes.. are also taken into account for this bonus.
    • Every time Arc chains, a secondary Arc is created that hits an additional nearby enemy. This secondary Arc cannot chain further.
    • Arc remembers the last two enemies hit by the main Arc, and will not hit these enemies again. This means at least 3 enemies are required before the main Arc can hit the same enemy twice.

Gem level progression[]

LevelRequired LevelRequired IntelligenceMana
Cost
Lightning
Damage
ChainsShock
Effect
Exp.Total Exp.
1123386 to 33+4N/A00
2153997 to 41+4N/A1524915249
31948109 to 54+4N/A4151756766
423561112 to 70+4N/A81983138749
527641216 to 89+4N/A147968286717
631731320 to 112+5N/A250557537274
735811425 to 139+5N/A405086942360
838881529 to 163+5N/A4477181390078
941941634 to 191+5N/A6153182005396
10441001639 to 223+5N/A8346392840035
11471061746 to 258+6N/A15707604410795
12501131853 to 299+6N/A16339876044782
13531191961 to 346+6N/A21510308195812
14561251970 to 399+6N/A281218911008001
15591322081 to 458+6N/A509936016107361
16621382193 to 526+7N/A940073125508092
176414221102 to 577+7N/A1527336640781458
186614622111 to 631+7N/A2628658267068040
196815122122 to 690+7N/A62890590129958630
207015523133 to 754+7N/A212046017342004647
217215924145 to 824+8N/AN/AN/A
2274N/A24159 to 900+8N/AN/AN/A
2376N/A25173 to 982+8N/AN/AN/A
2478N/A25189 to 1070+8N/AN/AN/A
2580N/A26206 to 1167+8N/AN/AN/A
2682N/A26224 to 1271+9N/AN/AN/A
2784N/A27244 to 1384+9N/AN/AN/A
2886N/A27266 to 1506+9N/AN/AN/A
2988N/A28289 to 1639+9N/AN/AN/A
3090N/A28314 to 1782+9N/AN/AN/A
3191N/A28328 to 1858+10N/AN/AN/A
3292N/A29342 to 1937+10N/AN/AN/A
3393N/A29356 to 2019+10N/AN/AN/A
3494N/A29371 to 2105+10N/AN/AN/A
3595N/A29387 to 2193+10N/AN/AN/A
3696N/A30403 to 2286+11N/AN/AN/A
3797N/A30420 to 2382+11N/AN/AN/A
3898N/A30438 to 2482+11N/AN/AN/A
3999N/A30456 to 2586+11N/AN/AN/A
40100N/A31475 to 2694+11N/AN/AN/A

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Related helmet enchantments

The following helmet enchantments affect Arc. Lua error: Error: invalid field alias "mods._pageID"; aliases cannot contain dots or quotes..

Alternate skill effects

Arc has the following alternate skill effects: Lua error: Error: invalid field alias "items._pageID"; aliases cannot contain dots or quotes..

Version history[]

Version Changes
3.11.0
  • The visual effects have been improved.
3.9.0
  • The range at which Arc can chain to another enemy is now 35 units (from 25).
  • Arc has received visual improvements.
3.6.2
  • Arc's effect now visually hits monsters more centrally.
3.6.0
  • Mana Cost at gem level 1 is now 8 (was 9).
  • Mana Cost at gem level 20 is now 23 (was 26).
  • Now has a cast time of 0.7 seconds (from 0.8).
  • Now deals 6 to 33 Lightning damage at gem level 1 (from 7 to 37) and 133 to 754 Lightning damage at gem level 20 (from 152 to 862).
  • Now has an added damage effectiveness of 80% (from 90%).
  • Lowered the range at which Arc can chain from 50 units to 25 units.
3.3.0
  • Now has an added damage effectiveness of 90% (up from 70%).
  • Now deals 7-37 lightning damage at gem level 1 (up from 2-35), up to 152-862 lightning damage at gem level 20 (up from 47-886).
  • Now deals 15% more damage for each remaining chain.
  • Can now split to an extra enemy whenever it chains. These splits cannot then chain.
  • Chains 4 times at level 1, up to 7 times at level 20.
3.0.0
  • Arc now has 10% increased Shock Effect at gem level 1, gaining 1% per gem level.
2.1.0
  • Damage increased by around 20% higher at level 20.
  • In addition to having more damage, Arc now increases in number of chains more often as it levels up. At level 20, it chains seven times. Previously this was five.
2.0.0
  • Damage reduced slightly at all levels. At player level 68, it should deal approximately 8% less damage.
1.3.1
  • (PvP) Arc damage has been increased by 5%. The total reduction is now 5% (up from 10% reduction previously).
1.2.0
  • We have reduced the damage by 15% at all levels.
  • Got +1% to critical hit chance bringing it to 5%
1.1.2
  • Lua error: Error: invalid field alias "items._pageName"; aliases cannot contain dots or quotes.. and Lua error: Error: invalid field alias "items._pageName"; aliases cannot contain dots or quotes.. have had their damage increased by 60%. Arc and Vaal Arc can now no longer chain back to the same target immediately, but must now bounce one more time. Arc now increases in chain counts as the gem increases in level.
1.0.0
  • Reduced the mana cost.
  • Damage has been increased by around 23%.
0.11.1
  • Spells with Damage Effectiveness no longer have their own damage affected by Damage Effectiveness.
    Damage values on these skills have been updated to reflect this.
0.9.13
  • Arc has been added to the game.