Diablo® III

Cost: 16 Arcane Power

Project a beam of frozen ice that blasts 280% weapon damage as Cold to the first enemy it hits, slowing the target's movement by 60% for 4 seconds.

Secondary

Unlocked at level 2

Cooldown: 15 seconds

Transform your skin to diamond for 6 seconds, absorbing up to 10853 damage from incoming attacks.

Defensive

Unlocked at level 8

Cost: 25 Arcane Power
Cooldown: 120 seconds

Transform into a being of pure Arcane energy for 15 seconds. While in Archon form, your normal abilities are replaced by powerful Archon abilities, and your Armor and resistances are increased by 40%. Every enemy killed while in Archon form adds 1 seconds to the duration of Archon.

Mastery

Unlocked at level 30

Cost: 25 Arcane Power

Imbue your weapon with magical energy, granting it 10% increased damage. Lasts 5 minutes.

Requires Weapon

Conjuration

Unlocked at level 20

Cost: 20 Arcane Power

Summon a companion that will attack your targets for 20% weapon damage as Arcane. This companion cannot be targeted or damaged by enemies and lasts for 5 minutes.

Conjuration

Unlocked at level 22

Cost: 25 Arcane Power

Focus your energies, increasing your Armor by 35% but decreasing your maximum Arcane Power by 20. Lasts 120 seconds.

This is an Armor spell. Only one Armor spell can be active at a time.

Conjuration

Unlocked at level 28