Deva

If the monster dies outside Mount Celestia, its body disappears, and it gains a new body instantly, reviving with all its Hit Points somewhere in Mount Celestia.

The monster has Advantage on saving throws against spells and other magical effects.

The monster makes two attacks.

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The monster casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC ):
At Will: Detect Evil and Good, Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no Concentration or Temporary Hit Points required to maintain the spell)
1/Day Each: Commune, Raise Dead

The monster casts Cure Wounds, Lesser Restoration, or Remove Curse using the same spellcasting ability as Spellcasting.