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: 20 Arcane Power

Cooldown: 6 seconds

Gather an infusion of energy around you that explodes after 1.5 seconds for 945% weapon damage as Arcane to all enemies within 12 yards.

Mastery

Unlocked at level 19

Cooldown: 15 seconds

Transform your skin to diamond for 3 seconds, absorbing up to 40% of your Life in damage from incoming attacks.

Defensive

Unlocked at level 8

Cost: 35 Arcane Power

Unleash a twister of pure energy that deals 1525% weapon damage as Arcane over 6 seconds to everything in its path.

Force

Unlocked at level 13

Cost: 25 Arcane Power

Imbue your weapon with magical energy, granting it 10% increased damage. Lasts 10 minutes.

Requires Weapon

Conjuration

Unlocked at level 20