Blazing Strike

As part of the action used to cast this spell, you must make an unarmed attack against one creature within the spell's range, otherwise, the spell fails. On a hit, the target suffers 1d4 bludgeoning damage or your normal unarmed attack damage, plus an additional 1d6 fire damage, and is thrown 5 feet backward and upwards in a fiery explosion.

The unarmed strike deals an additional 1d6 fire damage when you reach 5th level (2d6), 11th level (3d6), and 17th level (4d6).