Vengeful strike
paladin attack 1
Melee weapon
Target: one creature
Attack: Strength vs. AC
Hit: "1 [W] + Strength modifier radiant damage. If at least one bloodied ally is within 5 squares of you, the target takes extra radiant damage equal to your Charisma modifier.
"Level 21: 2[W] + Strength modifier damage."[HotFK:145]
Vengeful strike is an at-will power available to paladins at 1st level.
Cavaliers receive either vengeful strike or strike of hope as their 1st level virtue at-will power, in addition to valiant strike as their 1st level at-will power.