Effriah's Danse des Démons

When casting this spell your body becomes wreathed in flames, the sound of crackling fire can be heard from each step, and yourself and all things you are holding seem to be swarmed with white hot fire. For the duration, whenever you make a melee attack, you can choose to deal fire damage instead of the weapons normal damage type, when using this feature these attacks count as part of the spell and deal an extra 1d6 fire damage once per turn.