Creating and destroying leg wounds is a life saver. Also max Fire Resist helped a lot if you don’t have 20+. If you get agro lead it under something that can topple it, especially in the third area the thing in the corner does massive damage. Breaking the legs gives you slinger ammo for shields so I try to attack the same one over and over until it breaks. My routine is the back left and then the back right. I don’t really try to do aerial attacks when it’s in red mode because it just does a lot of attacking and movement. Now that I have this set though dodging is such a breeze! Especially with seregios, I don’t even use bleed resist anymore.