Solar

The solar knows if it hears a lie.

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

If the solar fails a saving throw, it can choose to succeed instead.

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

The solar makes two Flying Sword attacks. It can replace one attack with a use of Slaying Bow.

plus 36 (8d8) Radiant damage. Hit or Miss: The sword magically returns to the solar’s hand or hovers within 5 feet of the solar immediately after a ranged attack.

Dexterity Saving Throw: DC 21, one creature the solar can see within 600 feet. Failure: If the creature has 100 Hit Points or fewer, it dies. It otherwise takes 24 (4d8 + 6) Piercing damage plus 36 (8d8) Radiant damage.

The solar casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 25):
At Will: Detect Evil and Good
1/Day Each: Commune, Control Weather, Dispel Evil and Good, Resurrection

The solar casts Cure Wounds (level 2 version), Lesser Restoration, or Remove Curse, using the same spellcasting ability as Spellcasting.

Constitution Saving Throw: DC 25, one creature the solar can see within 120 feet. Failure: The target has the Blinded condition for 1 minute. Failure or Success: The solar can’t take this action again until the start of its next turn.

The solar teleports up to 60 feet to an unoccupied space it can see. Dexterity Saving Throw: DC 25, each creature in a 10-foot Emanation originating from the solar at its destination space. Failure: 11 (2d10) Radiant damage. Success: Half damage.