RESOURCE: ARCANE POWER
Arcane Power is the Wizard's Skill Resource in Diablo 3. The Wizard will need Arcane Power to use Offensive Skills and Utility Skills. Arcane Power is slowly replenished, but the regeneration speed of Arcane Power can be increased by Wizard Skills and Equipment.
Unlike more deliberate and cautious magic-users, wizards are lightning rods for Arcane Power. An intense energy courses through them, and they direct it as though it were an extension of their own bodies.
Wizards continually crackle with Arcane Power – it regenerates itself quickly, and so they can call upon their lesser abilities seemingly without end. They are only in danger of depleting their stores of energy when attempting a number of invocations at once.
However, Arcane Power can ravage wizards’ bodies if its use is not carefully paced, so Wizards must endure a cooldown period before repeatedly casting certain potent spells. These spells – conjured meteors falling from the sky, torrents of force that shove multiple foes off their feet, or energy bubbles that halt the flow of time itself – are so powerful that they are worth the wait.