This skill becomes available when engraving an Uncut Skill Gem of level 5 or higher. The resulting skill uses the selected Uncut Skill Gem's level.
PoE2 skill gem
Arc
An arc of Lightning stretches from the caster to a targeted enemy and Chains on to other nearby enemies. Consumes a Lightning Infusion if possible to deal more damage and Chain further.
Catalog version 0.5.4d
No direct 0.5 patch change is linked to this page. The displayed values are current for catalog version 0.5.4d.
Effects
5 effectsRequirements and restrictions
1 requirement groupsSource requirement text
Requires: Level (1-90), (4-157) Int
Gem level progression
40 levels| Level | Requires Level | Int | Mana | Base Damage | Deals 1 to 13 Lightning Damage | Chains 5 times |
|---|---|---|---|---|---|---|
| 1 | 0 | 4 | 8 | 100%, 100%, 100% | 1, 13 | 5 |
| 2 | 3 | 9 | 9 | 100%, 100%, 100% | 1, 17 | 5 |
| 3 | 6 | 14 | 11 | 100%, 100%, 100% | 1, 24 | 5 |
| 4 | 10 | 21 | 12 | 100%, 100%, 100% | 2, 31 | 5 |
| 5 | 14 | 28 | 14 | 100%, 100%, 100% | 2, 39 | 6 |
| 6 | 18 | 35 | 17 | 100%, 100%, 100% | 3, 48 | 6 |
| 7 | 22 | 41 | 19 | 100%, 100%, 100% | 3, 58 | 6 |
| 8 | 26 | 48 | 22 | 100%, 100%, 100% | 4, 69 | 6 |
| 9 | 31 | 57 | 24 | 100%, 100%, 100% | 4, 82 | 6 |
| 10 | 36 | 65 | 28 | 100%, 100%, 100% | 5, 96 | 7 |
| 11 | 41 | 74 | 31 | 100%, 100%, 100% | 6, 112 | 7 |
| 12 | 46 | 82 | 35 | 100%, 100%, 100% | 7, 130 | 7 |
| 13 | 52 | 92 | 39 | 100%, 100%, 100% | 8, 151 | 7 |
| 14 | 58 | 103 | 44 | 100%, 100%, 100% | 9, 174 | 7 |
| 15 | 64 | 113 | 49 | 100%, 100%, 100% | 10, 199 | 8 |
| 16 | 66 | 116 | 54 | 100%, 100%, 100% | 12, 228 | 8 |
| 17 | 72 | 126 | 60 | 100%, 100%, 100% | 14, 261 | 8 |
| 18 | 78 | 137 | 67 | 100%, 100%, 100% | 16, 298 | 8 |
| 19 | 84 | 147 | 74 | 100%, 100%, 100% | 18, 339 | 8 |
| 20 | 90 | 157 | 81 | 100%, 100%, 100% | 20, 386 | 9 |
Beyond level 20, 20 levels
| Level | Requires Level | Int | Mana | Base Damage | Deals 1 to 13 Lightning Damage | Chains 5 times |
|---|---|---|---|---|---|---|
| 21 | Not applicable | Not applicable | 90 | 100%, 100%, 100% | 23, 439 | 9 |
| 22 | Not applicable | Not applicable | 99 | 100%, 100%, 100% | 26, 499 | 9 |
| 23 | Not applicable | Not applicable | 109 | 100%, 100%, 100% | 30, 567 | 9 |
| 24 | Not applicable | Not applicable | 120 | 100%, 100%, 100% | 34, 644 | 9 |
| 25 | Not applicable | Not applicable | 132 | 100%, 100%, 100% | 38, 731 | 10 |
| 26 | Not applicable | Not applicable | 145 | 100%, 100%, 100% | 44, 830 | 10 |
| 27 | Not applicable | Not applicable | 159 | 100%, 100%, 100% | 50, 943 | 10 |
| 28 | Not applicable | Not applicable | 174 | 100%, 100%, 100% | 56, 1071 | 10 |
| 29 | Not applicable | Not applicable | 190 | 100%, 100%, 100% | 64, 1217 | 10 |
| 30 | Not applicable | Not applicable | 208 | 100%, 100%, 100% | 73, 1384 | 11 |
| 31 | Not applicable | Not applicable | 228 | 100%, 100%, 100% | 83, 1574 | 11 |
| 32 | Not applicable | Not applicable | 249 | 100%, 100%, 100% | 94, 1791 | 11 |
| 33 | Not applicable | Not applicable | 271 | 100%, 100%, 100% | 107, 2039 | 11 |
| 34 | Not applicable | Not applicable | 296 | 100%, 100%, 100% | 122, 2324 | 11 |
| 35 | Not applicable | Not applicable | 323 | 100%, 100%, 100% | 139, 2650 | 11 |
| 36 | Not applicable | Not applicable | 352 | 100%, 100%, 100% | 159, 3024 | 11 |
| 37 | Not applicable | Not applicable | 383 | 100%, 100%, 100% | 182, 3454 | 11 |
| 38 | Not applicable | Not applicable | 417 | 100%, 100%, 100% | 208, 3949 | 11 |
| 39 | Not applicable | Not applicable | 454 | 100%, 100%, 100% | 238, 4518 | 11 |
| 40 | Not applicable | Not applicable | 494 | 100%, 100%, 100% | 272, 5175 | 12 |
Quality effects
2 effectsArc standard quality
- Chains +(0-2) times
Advanced Thaumaturgy
This is the additional quality effect granted while the Gemling Legionnaire passive is allocated. The main value below is shown at 20% gem quality. Compare all gem bonuses.
- Projectiles deal 3% more Damage with Hits for each remaining ChainQuality scaling: Projectiles deal (0-3)% more Damage with Hits for each remaining Chain
Recommended support gems
15 supportsRecommendation tier 1
Recommendation tier 2
Recommendation tier 3
Recommendation tier 4
Compatible support gems
209 source recordsShow 185 more compatible gems
Compatibility rules
Active Type: Spell, Projectile, Damage, Trappable, Totemable, Mineable, Chains, Multicastable, Triggerable, Lightning, Unleashable, Invokable, UsableWhileMoving
Elemental Infusions
This gem has a direct interaction with the Elemental Infusion mechanic.
Consumes: An arc of Lightning stretches from the caster to a targeted enemy and Chains on to other nearby enemies. Consumes a Lightning Infusion if possible to deal more damage and Chain further.
Acquisition
1 sources- Uncut Skill Gem: Uncut Skill Gem Tier 5
How to engrave this skill
1 categoryVaal Orb outcomes
4 outcomes / 0 enchantmentsVaal Orb can corrupt Arc. One applicable outcome is selected, and the item normally cannot be modified again by ordinary crafting.
