You will not be denied your enemy's blood, and other foes that witness your savage attack know the ill fate that awaits them.

Encounter   ✦     Martial, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. AC

Hit: 4[W] + Strength modifier damage.

Effect: You mark each enemy within 10 squares of you until the end of your next turn.

Published in Player's Handbook, page(s) 86, Class Compendium.