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Scent of Fear
Ranger Attack 15

Once your beast companion senses weakness in an opponent, it attacks with ruthless intensity.

Melee beast 1

Target: One creature

Attack: Beast's attack bonus vs. AC

Hit: 3[B] + beast's Strength modifier damage.

Effect: Until the end of the encounter, the target grants combat advantage to your beast companion, and on each of your turns, you can take a minor action to command the beast to make a melee basic attack against the target as a free action.

Scent of Fear is a daily power available to rangers at the 15th level.[MP:51]