Cage of ChainsFighter Attack 23
After landing a decisive blow, you skillfully use your weapon to entangle your opponent.
Encounter ✦ Martial, Weapon
Standard Action Melee weapon
Target: One creature
Attack: Strength vs. Reflex
Hit: 4[W] + Strength modifier damage.
Weapon: If you're wielding a flail and you are adjacent to the target at the end of your turn, the target is restrained until the start of your next turn.
Published in Player's Handbook, page(s) 84, Class Compendium.