Proficiency Bonus: equals your bonus
Flame Seed. Ranged Weapon Attack: your spell attack modifier to hit, range 60 ft., one target you can see. Hit: 1d6 + PB fire damage.
Fiery Teleportation. The spirit and each willing creature of your choice within 5 feet of it teleport up to 15 feet to unoccupied spaces you can see. Then each creature within 5 feet of the space that the spirit left must succeed on a Dexterity saving throw against your spell save DC or take 1d6 + PB fire damage.
PB equals your Proficiency Bonus
Regeneration (Slaad Only). The spirit regains 5 Hit Points at the start of its turn if it has at least 1 Hit Point.
Whispering Aura (Mind Flayer Only). At the start of each of the spirit’s turns, the spirit emits psionic energy if it doesn’t have the Incapacitated condition. Wisdom Saving Throw: DC equals your spell save DC, each creature (other than you) within 5 feet of the spirit. Failure: 2d6 Psychic damage.
Multiattack. The spirit makes a number of attacks equal to half this spell’s level (round down).
Claw (Slaad Only). Melee Attack Roll: Bonus equals your spell attack modifier, reach 5 ft. Hit: 1d10 + 3 + the spell’s level Slashing damage, and the target can’t regain Hit Points until the start of the spirit’s next turn.
Eye Ray (Beholderkin Only). Ranged Attack Roll: Bonus equals your spell attack modifier, range 150 ft. Hit: 1d8 + 3 + the spell’s level Psychic damage.
Psychic Slam (Mind Flayer Only). Melee Attack Roll: Bonus equals your spell attack modifier, reach 5 ft. Hit: 1d8 + 3 + the spell’s level Psychic damage.