Regeneration (Slaad Only). The aberration regains 5 hit points at the start of its turn if it has at least 1 hit point.

Whispering Aura (Star Spawn Only). At the start of each of the aberration’s turns, each creature within 5 feet of the aberration must succeed on a Wisdom saving throw against your spell save DC or take 2d6 psychic damage, provided that the aberration isn’t incapacitated.

Multiattack. The aberration makes two attacks.

Claws (Slaad Only). Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 1d10 + 7 slashing damage. If the target is a creature, it can’t regain hit points until the start of the aberration’s next turn.

Eye Ray (Beholderkin Only). Ranged Spell Attack: +10 to hit, range 150 ft., one creature. Hit: 1d8 + 7 psychic damage.

Psychic Slam (Star Spawn Only). Melee Spell Attack: +10 to hit, reach 5 ft., one creature. Hit: 1d8 + 7 psychic damage.