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.
Top-tier — strong mechanics, versatile, and highly efficient in the current meta.
Gem Effects
Deals (1-20) to (13-386) Lightning Damage
Chains (5-9) times
Chains 6 additional times when Lightning Infused
200% more damage when Lightning Infused
50% increased Magnitude of Shock inflicted
Requirements
Best Support Gems for Arc
Ranked by synergy — the game won't tell you which combo deals the most damage
How to Use Arc Effectively
Practical tips you won't find on the tooltip
Projectile Scaling
Extra projectiles (GMP) and Pierce/Chain/Fork dramatically multiply your clear. Choose based on mob density.
Chain Scaling
Each chain hit deals full damage — more chains = exponentially better clearing. Stacking chain sources is top priority.
Shock Amplification
Lightning Shock increases damage taken by enemies. High hit damage = stronger Shock effect. Synergizes with crit builds.
Crit Viable
Base 9% crit — strong crit scaling potential. Invest in crit chance + multiplier from gear and passive tree.
Alternatives to Arc
Similar skills — which one fits your build better?
Fire a slow-moving Projectile that moves through enemies. The Projectile itself
Create a fiery explosion, an arcing bolt of lightning, or an icy wave of project
Gain a Buff that boosts your Shock chance. Shocking an enemy consumes the Buff t
Conjure a crackling Wellsprite that hovers above you. After a short duration, th
How to Get Arc
Use an Uncut Skill Gem to obtain Arc. These drop from enemies or can be purchased from the gem vendor once unlocked through the campaign.