Flyby. The angel doesn't provoke an opportunity attack when it flies out of an enemy's reach.
Magic Resistance. The angel has advantage on saving throws against spells and other magical effects.
Relentless (Recharges after a Short or Long Rest). If the angel takes 21 damage or less that would reduce it to 0 hit points, it is reduced to 1 hit point instead.
Innate Spellcasting. The angel's innate spellcasting ability is Charisma (spell save DC 18, +10 to hit with spell attacks). The angel can innately cast the following spells, requiring no material components:
1/day each: daylight, fireball (as a 6th-level spell)
3/day each: compelled duel, guiding bolt (as a 5th-level spell)
Multiattack. The angel makes two melee attacks.
Longsword. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit:10 (1d8 + 6) slashing damage, or 11 (1d10 + 6) slashing damage if used with two hands, plus 22 (5d8) fire or radiant damage (angel's choice).
Angels of the Boros Legion view themselves as the embodiments of what their creator intended. They are fierce warriors devoted to justice and dedicated to protecting the weak against evil and oppression. They are commanders, advisors, strategists, and soldiers. Their presence in battle inspires the mortal soldiers of the legion with righteous zeal.