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:   At will: detect evil and good, invisibility (self only)   3/day each: blade barrier, dispel evil and good, flame strike, raise dead   1/day each: commune, control weather, insect plague   Magic Resistance. The planetar has advantage on saving throws against spells and other magical effects.