Empower Orb (4e Power)

Empower Orb	Warmage Class Feature
Embedding latent arcane energies into one of your Mystic Orbs, you Empower it, causing it to pulse with power.
At-Will  Arcane
Standard Action	Personal
Effect: Changes one of your Mystic Orbs into an Empowered Mystic Orb. Empowered Mystic Orbs act just like Mystic Orbs, but adds a +1 bonus to a spell's attack roll when used in a spell. At level 11, this bonus increases to +2. At level 21, this bonus increases to +2.