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druid attack 1

Special: A character can use pounce instead of the melee basic attack or bull rush part of a charge action.

Target: one creature

Attack: Wisdom vs. Reflex

Hit: "1d8 + Wisdom modifier damage. The target grants combat advantage to the next creature that attacks it before the end of your next turn.
"Level 21: 2d8 + Wisdom modifier damage."[PH2:85]

Pounce is an at-will power available to druids at 1st level.