Hit The Wind (4e Power)

Hit The Wind	Fist Master Attack 25
The troll laughs as its mace crunches your rogue's head in. But then the rogue turns into a heap of leaves, and the troll looks bemused as it sees you and the rogue 10 feet away.
Daily Martial, Teleport
Immediate Interrupt	Ranged 19
Trigger: A creature attacks you or an ally within range and that you can see.
Target: The attacking creature.
Attack: Dexterity Vs. Reflex
Hit: The attack miss.
Miss: You share half the attack damages with the attacked creature. (If you are attacked, you take the full attack damages).
Effect: Teleport to the attacked creature's square (if it's you, do nothing for that part). Then teleport away. The attacked creature is teleported with you, and ends up in square of your choice adjacent to you. You can't teleport more than 20 squares total with this power.