On the way down, I made gills and webbed fingers grow. When I hit the water with grace, I used the flames to push me further to get another hit on the lord. The knowledge that the flames were unaffected by water was saved for later. It slowly drifted in the water as it reoriented itself. Its eyes widened when I launched a fireblast at it. The lord hit the wall of the ravine causing several rocks above to loosen, falling on top of the being.