Force Barrier (4e Power)

Force Barrier	Warmage Attack 17
A pulse of pure energy emanates from you, knocking back enemies and shielding you from potential harm.
Encounter  Arcane, Force, Implement
Standard Action	Close burst 4
Target: Each creature in burst
Attack: Intelligence Vs. Fortitude
Hit: 4d6+Intelligence modifier force damage, the target is pushed an amount of squares equal to twice your Wisdom modifier, and knocked prone (save ends).
Miss: Half damage and the target is pushed an amount of squares equal to your Wisdom modifier.
Effect: You are surrounded by a field of protective force energy, granting resist 5 to all damage and allowing you to phase an amount of squares equal to your Wisdom modifier if hit by a melee or ranged attack until the end of your next turn.
Sustain Minor: The effect persists.