This is a Signature spell. Signature spells are free to cast.

Summon a spectral blade that strikes all enemies up to 15 yards in front of you for 168% weapon damage as Arcane.

Primary

Unlocked at level 11

Cost: 18 Arcane Power

Channel a beam of pure energy, dealing 390% weapon damage as Arcane.

Disintegrate damage is increased by 250% weapon damage every second, up to a maximum total of 890% weapon damage as Arcane.

Secondary

Unlocked at level 21

Cost: 40 Arcane Power

Call down shards of ice that deal 1075% weapon damage as Cold over 6 seconds to enemies in a 12 yard radius. Multiple casts in the same area from the same caster do not stack.

Force

Unlocked at level 27

Cost: 15 Arcane Power

Summon a multi-headed Hydra for 15 seconds that attacks enemies with bolts of fire dealing 165% weapon damage as Fire.

Only one Hydra may be active at a time.

Force

Unlocked at level 21

Cost: 20 Arcane Power

Cooldown: 12 seconds

Conjure a Black Hole at the target location that draws enemies to it and deals 700% weapon damage as Arcane over 2 seconds to all enemies within 15 yards.

Mastery

Unlocked at level 61

Cooldown: 120 seconds

Transform into a being of pure arcane energy for 20 seconds. While in Archon form, your normal abilities are replaced by powerful Archon abilities, your damage is increased by 30%, and your Armor and resistances are increased by 150%.

Each enemy killed while in Archon form increases your damage by 6% for the remaining duration of Archon.

Mastery

Unlocked at level 30