Deva

Medium Celestial (Angel), Lawful Good

AC 17     Initiative +4 (14)
HP 229 (27d8 + 108)
Speed 30 ft., Fly 90 ft. (hover)

Ability Scores
STR 18 (+4) Save +4    DEX 18 (+4) Save +4    CON 18 (+4) Save +4
INT 17 (+3) Save +3    WIS 20 (+5) Save +9    CHA 20 (+5) Save +9

Skills Insight +9, Perception +9
Resistances Radiant
Immunities Charmed, Exhaustion, Frightened
Senses Darkvision 120 ft.; Passive Perception 19
Languages All; telepathy 120 ft.
CR 10 (XP 5,900; PB +4)

Traits
Exalted Restoration. 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.
Magic Resistance. The deva has Advantage on saving throws against spells and other magical effects.

Actions
Multiattack. The deva makes two Holy Mace attacks.
Holy Mace. Melee Attack Roll: +8, reach 5 ft. Hit: 7 (1d6 + 4) Bludgeoning damage plus 18 (4d8) Radiant damage.
Spellcasting. 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

Bonus Actions
Divine Aid (2/Day). The deva casts Cure Wounds, Lesser Restoration, or Remove Curse, using the same spellcasting ability as Spellcasting.