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Large celestial, lawful good
Saving Throws Con +12, Wis +11, Cha +12
Angelic Weapons. The planetar's weapon attacks are magical. When the planetar hits with any weapon, the weapon deals an extra 5d8 radiant damage (included in the attack).
Divine Awareness. The planetar knows if it hears a lie.
Innate Spellcasting. The planetar's spellcasting ability is Charisma (spell save DC 20). The planetar can innately cast the following spells, requiring no material components:
Magic Resistance. The planetar has advantage on saving throws against spells and other magical effects.
Multiattack. The planetar makes two melee attacks.
Greatsword. Melee Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 21 (4d6 + 7) slashing damage plus 22 (5d8) radiant damage.
Planetars act as the weapons of the gods they serve, presenting a tangible representation of their deities' might. A planetar can call down rain to relieve a drought, or can loose an insect plague to devour crops. A planetar's celestial ears detect every falsehood, and its radiant eyes see through every deception.