Torvin's Flesh of Fire

You wreath your body in hot flames as another creature attempts to grapple you. The creature has disadvantage on the ability check made to grapple you. The creature takes 1D8 fire damage or half on a successful one.

If a creature is grappling you, it takes 1d8 fire damage at the end of its turn, and you have advantage on ability checks made to escape a grapple. If you are no longer grappled, the spell ends.

At Higher Levels: Number of Dice increases at 5th Level (2D8) 11th Level (3D8) 16th Level (4D8)