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: 16 Arcane Power

Project a beam of frozen ice that blasts enemies within 5 yards of the first enemy hit for 430% weapon damage as Cold and Slows their movement by 60% for 3 seconds.

Ray of Frost damage is increased by 405% weapon damage every second, up to a maximum total of 1240% weapon damage as Cold.

Secondary

Unlocked at level 2

Cooldown: 11 seconds

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

Defensive

Unlocked at level 4

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

Surround yourself in a barrier of ice that reduces damage from melee attacks by 12%. Melee attackers are either Chilled or Frozen for 3 seconds. Lasts 10 minutes.

Only one Armor may be active at a time.

Conjuration

Unlocked at level 14

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