That Time I Got Reincarnated As A Mimic

As a bonus action, you can teleport up to 15 feet to an unoccupied space you can see, avoiding opportunity attacks. You gain advantage on your next attack roll before the end of your turn. At C-Rank, you can move through objects up to 1 foot thick, provided you end in an open space. You can use this ability a number of times equal to your proficiency bonus per long rest.