Celestial Whale

Bestial Restoration. If the celestial whale dies outside of the Beastlands, its body disappears, and it gains a new body instantly, reviving with all its Hit Points somewhere in the Beastlands.

Magic Resistance. The celestial whale has Advantage on saving throws against spells and other magical effects.

Siege Monster. The celestial whale deals double damage to objects and structures.

Spellcasting. The celestial whale casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 15):

At will : Detect Evil and Good*, Protection from Evil and Good (self only)*, Sanctuary

1/day : Cure Wounds (level 3 Version), Spirit Guardians*

* concentration spells

Multiattack. The celestial whale makes six Celestial Orb attacks, three of which it can replace with a Bite attack.

Bite. Melee Weapon Attack : +12 to hit, reach 10 ft., one target. Hit: 34 (4d12 + 8) Slashing damage, and if the target is a Large or smaller creature, it has the Restrained condition (escape DC 20). While it has the Restrained condition, it moves with the celestial whale.

Celestial Orb. Ranged Spell Attack : +7 to Hit, range 120 ft. Hit: 7 (1d8 + 3) Radiant damage.

Crash. Dexterity Saving Throw, DC 20, all creatures within a 30-foot Cube, Failure : 34 (4d12 + 8) Bludgeoning Damage, and if the target is a Large or smaller creature, it has the Restrained condition (escape DC 20) while the celelestial whale doesn't move.