Bite

You bite the target, and it makes a Strength saving throw. A Large or larger creature has Advantage on this save. On a failed save, the target has the Restrained condition until you let go. On a successful save, the target gets away from the bite

While restrained, the target takes 1d6 Piercing damage at the start of each of its turns. (Biting harder each time) The target or a creature within reach of it can take an action to make a Strength (Athletics) check against your spell save DC. On a success, you are pried off.