With a flash, you are gone.

Daily   ✦     Arcane, Teleportation
Immediate Interrupt      Personal

Trigger: An enemy hits you with a melee attack.

Effect: You teleport up to 5 squares to a space that is not adjacent to an enemy.

Update (8/4/2010)
Power updated to match Essentials data.

Published in Arcane Power, page(s) 105, Heroes of the Fallen Lands, page(s) 214, Neverwinter Campaign Setting, page(s) 76.