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: 25 Arcane Power

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

Requires Weapon

Conjuration

Unlocked at level 20

Cooldown: 11 seconds

Blast nearby enemies with an explosion of ice and freeze them for 2 seconds.

Defensive

Unlocked at level 4

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: 11 seconds

Teleport through the ether to the selected location up to 50 yards away.

Defensive

Unlocked at level 22

Cost: 30 Arcane Power

Hurl an orb of pure energy that explodes on contact, dealing 435% weapon damage as Arcane to all enemies within 15 yards.

Secondary

Unlocked at level 5