Deva

If the deva 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 deva has Advantage on saving throws against spells and other magical effects.

The deva makes two Holy Mace attacks.

reach 5 ft. plus 18 (4d8) Radiant damage.

The deva casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 17):
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 deva casts Cure Wounds, Lesser Restoration, or Remove Curse, using the same spellcasting ability as Spellcasting.