Diablo® III

Cost: 15 Arcane Power

Summon a multi-headed Hydra for 15 seconds that attacks enemies with bolts of fire dealing 28% weapon damage as Fire. You may only have one Hydra active at a time.

Force

Unlocked at level 21

Cost: 16 Arcane Power

Hurl a barrage of arcane projectiles that deal 285% weapon damage as Arcane to all enemies near the impact location.

Secondary

Unlocked at level 12

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

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