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: 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: 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

Cooldown: 15 seconds

Invoke a bubble of warped time and space at your target location up to 60 yards away for 15 seconds, reducing enemy attack speed by 20% and movement speed by 60%. This bubble also slows the speed of enemy projectiles by 90%.

Defensive

Unlocked at level 16

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

Cost: 25 Arcane Power

Bathe yourself in electrical energy, periodically shocking a nearby enemy for 175% weapon damage as Lightning. Lasts 10 minutes.

Only one Armor may be active at a time.

Conjuration

Unlocked at level 17