Fearsome Smash
Barbarian Attack 7
Smashing your weapon through your foe's defenses injures both body and will.
Melee weapon
Special: You can use this power against an adjacent enemy as an immediate reaction that triggers when that enemy hits you.
Target: One creature
Attack: Strength vs. AC
Hit: 2[W]+Strength modifier damage, and the target takes a -2 penalty to attack rolls until the end of your next turn.
Thaneborn Triumph: The penalty to attack rolls equals 1 + your Charisma modifier.
Fearsome Smash is an encounter power available to Barbarians at the 7th level. [PrP:15]