Tsathogga summons 2d6 hezrous, 2d4 greruors, 1 nalfeshnee, or 1 balor. The summoned demon appears in an unoccupied space within 60 feet of Tsathogga, and can't summon other demons. It remains for 1 minute, until it or Tsathogga is slain, or until Tsathogga takes an action to dismiss it.