Yamato

Cast Time: 1 action Range: 150 feet (50-foot radius) Components: V, S, M (a feather from a celestial being) Duration: Instantaneous A pillar of divine fire descends from the sky, reducing all in its wake to ash. All creatures in the area must make a Dexterity saving throw. On a failure, they take 9d10 fire damage and are incapacitated until the end of their next turn. On a success, they take half damage and are not incapacitated.