Nowhere to Run is an encounter power available to the Barbarian class at level 27.[Dr386:51]
Nowhere to Run
Barbarian Attack 27
Melee weapon
Target: one creature
Attack: Strength vs AC
Hit: 3[W] + Strength modifier damage, and you slide the target 1 square. Whenever that target is damaged by an attack before the start of your next turn, the target takes 1d6 extra damage and you slide the target 1 square.