Rat Within
Prerequisite
Your control over the murine spirit within additional time without suffering a level of fatigue . While you are transformed, you gain the following features.
Crescent Moon Defense. You gain resistance against slashing, bludgeoning, and piercing damage from weapons that are not magical or silvered.
Frenzied Bite. You can use your bite attack as a bonus action.
Pack Tactics. Once per turn, you gain advantage on an attack roll against a creature if at least one of your allies is within 5 feet of the creature and not incapacitated .
Source