Blazing Blade

You touch a weapon and enhance it with brilliant flame. For the duration, the weapon deals 1d6 extra fire and 1d6 extra radiant damage on a hit, and its base damage is changed to your choice of fire or radiant.

Sunfire Swipe. As a bonus action, the wielder can create an arc of burning light, ending the spell. Each creature within a 30-foot cone must make a Dexterity saving throw. Undead and fiends attempt this save with disadvantage. On a failure, a creature takes 3d6 fire and 3d6 radiant damage, and it is afflicted with holy fire for 1 minute. Any attack roll against an affected creature has advantage if the attacker can see it, and the affected creature can't benefit from being invisible. On a success, a creature takes half as much damage and is not affected. At the end of each of its turns, an affected creature can make a Wisdom saving throw, ending the effect on itself on a success.

The imbued weapon and any creature afflicted with holy fire emits bright light in a 30-foot radius and dim light for an additional 30 feet.