You drag your tail across the ground super heating it every time you would take fire damage extend the superheat by one turn

You bite the target for 1d4 and the venom causes 2d4 bleed damage and 1d4 fire damage for three turns

You create a 5 meter blast radius dealing 1d4 force damage and the space lingers for two turns dealing 2d4 fire damage to any creature moving through the space (except you)

Increases your AC by 1 for every three heat points you have