Lucky Bastard (Rank 3) Edit
By performing an epic feat to please the spirits, you've found a way to overcome the curse of your jackal's blood. This Gift is taught by a jackal-spirit, usually as an act of forgiveness after an appropriate Umbral quest lasting at least one game session.
This Gift can be used once per game session. The Garou spends one Gnosis; the person roleplaying him can then reroll any one dice pool for that character. The effects only apply if the roll is "better" (that is, scores more successes) than the original roll.
Source: Bone Gnawers Tribebook Revised