Diablo® III

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

Cooldown: 15 seconds

Summon 2 illusionary duplicates of yourself that last for 7 seconds and have 25% of your Life. The images may cast some of the same spells as you, but those spells deal no damage.

Mastery

Unlocked at level 25

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

This is a Signature spell. Signature spells are free to cast.

Lightning arcs from your fingertips, dealing 90% weapon damage as Lightning. The lightning can jump, hitting up to 2 additional enemies.

Primary

Unlocked at level 15

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