Baston T'sarr (Fourth/True Form)

Unique Biology. Baston T'sarr has advantage on saving throws against being charmed, and magic can’t put Baston T'sarr to sleep. Baston T'sarr can breathe without air.

Legendary Resistance (3/Day). If Baston T'sarr fails a saving throw, he can choose to succeed instead.

Regeneration. Baston T'sarr regains 10 hit points at the start of his turn. If Baston T'sarr starts his turn with 0 hit points, this trait dose not function and Baston T'sarr dies.

Innate Spellcasting (Psionics). Baston T'sarr’s innate spellcasting ability is Intelligence (spell save DC 19). He can innately cast the following spells, requiring no components:

At Will: destructive wave, zephyr strike, counterspell, Disintegrate (legendary action only)

3/day each: divination, telekinesis, shield, haste(self only)

1/day each: delayed blast fireball (9th level), meteor swarm, ravenous void

Multiattack. Baston T'sarr can make 4 attacks: 3 with his fists and 1 with his tail. Alternatively one of these attacks can be replaced with a claw attack.

Fist. Melee weapon attack: +10 to hit, reach 5ft., one target. Hit: 21 (4d6 + 5) Bludgeoning damage.

Claw. Melee weapon attack: +10 to hit, reach 5ft., one target. Hit: 21 (4d6 + 5) Slashing damage.

Tail. Melee Weapon Attack: +10 to hit, reach 15 ft., one target. Hit: 22 (4d8 + 5) bludgeoning damage.

Baston T'sarr can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. The dragon regains spent legendary actions at the start of its turn.

Tail Attack. Baston T'sarr makes a tail attack.

Telekinetic Fling. Baston T'sarr chooses a Small or smaller object that isn’t being worn or carried that he can see within 60 feet of it, and he magically hurls the object at a creature he can see within 60 feet of the object. The target must succeed on a DC 19 Dexterity saving throw or take 14 (4d6) bludgeoning damage.

Disintegrate (2 actions). Baston T'sarr casts disintegrate