That Time I Got Reincarnated As A Mimic

As an action, transform into a Medium or Small object or creature you've absorbed, retaining your stats but gaining cosmetic traits. In object form, you're indistinguishable when motionless with a DC 8 + proficiency + Charisma to detect. Lasts 1 hour or until you revert (no action). At 9th level, in object form, move at half speed or mimic Large creatures.