Tsathogga chooses one creature that it can see within 40 feet of it. That target must make a DC 28 Dexterity saving throw. On a failed saving throw, the target takes 37 (8d6 + 9) bludgeoning damage plus 35 (10d6) acid damage and is grappled. Tsathogga can use a bonus action to pull a creature grappled by it up to 40 feet towards it.