Branding Blade

As part of the action used to cast this spell, you must make a melee attack with a weapon against one creature within the spell's range, otherwise the spell fails. On a hit, the target suffers the attack's normal effects, and it glows with bright light for 10 feet, and dim light for another 10 feet. If the creature is an undead or fiend, it also takes 1d8 radiant damage.

This spell's damage increases when you reach higher levels. At 5th level, the melee attack deals an extra 2d8 radiant damage to the target. The damage roll increases by 3d8 at 11th level and The damage roll increases by 4d8 17th level.