Tarkelby's Fists of Fury

Multicolored auras spring from your palms to deliver a chaotic jolt to a creature you try to hit. For the duration, your unarmed melee attacks deal an extra 2d6 damage of the type dictated by rolling 1d8 against the following table.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 1d6 for each slot level above 1st.