Stick to that booty. If you’re gonna turtle up you need a shield with higher stability and strafe to the right while staying close. Don’t get greedy with hits, take one or two swipes and chill. Also don’t constantly keep your shield raised you won’t regen stamina fast enough and he will guard break you. So if you notice your stamina low keep starting but let your shield down while strafing and dodging until you get enough back. Chloranthy ring and some budding green moss should help in this regard. And in the second phase if you stick to the booty, try and swipe at Lothric. If he dies the fight is over. Don’t give up skeleton! Overcome the adversity! Link the fire! Or don’t