Ferocious strike
paladin attack 1
Melee weapon
Target: one creature
Attack: Strength vs. AC
Hit: "1 [W] + Strength modifier damage. You gain combat advantage against the first enemy you attack. before the end of your next turn.
"Level 21: 2 [W] + Strength modifier damage."[HoS:48]
Ferocious strike is an at-will power available to paladins at 1st level.
Blackguards receive either ferocious strike or dominator's strike as their 1st level vice at-will power, in addition to vengeance strike as their 1st level at-will power.