Archival Angel

Photographic Memory. The angel has Advantage on Intelligence checks.

Multiattack. The angel makes two Holy Burst attacks. It can replace one attack with a use of Slam.

Holy Burst. Melee or Ranged Attack Roll: +3, reach 5 ft. or range 60 ft. Hit: 10 (2d8 + 1) Radiant damage.

Slam. Strength Saving Throw: DC 13, one creature the angel can see within 5 feet. Failure: 5 (1d4 + 3) Bludgeoning damage plus 7 (3d4) Radiant damage, and the target has the Prone condition.

Spellcasting. The angel casts one of the following spells, requiring no spell components and using Wisdom as the spellcasting ability (spell save DC 11):

At Will: Augury, Borrowed Knowledge, Detect Evil and Good, Detect Magic, Guidance, Identify, Locate Object
2/Day Each: Plane Shift (self only), 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, Contact Other Plane, Divination, Legend Lore, Locate Creature, Scrying

Divine Aid (2/Day). The angel casts Bless, Cure Wounds, or Lesser Restoration, requiring no spell components and using the same spellcasting ability as Spellcasting.

Flee Attacker. Trigger: A creature enters a space the angel can see within 10 feet. Response–Constitution Saving Throw: DC 11, the triggering creature. Failure: The target has the Blinded condition until the start of its next turn, and the angel can move up to half its Fly speed.