If you're stuck at the pearl because of the lag, I stopped shooting and just focused on dodging the pearl beams. Like others have commented, the crab body doesn't hurt you, just the beams. I wish I had known sooner that the attacks are time based and not damage based. It felt like each attach came around the same damage threshold and ended when it reached the next damage threshold but that wasn't the case.
@Bananananananana Except a higher Sovereign is still not the source of morality, as there would be a contract that binds that Sovereign with the sovereign below him. You hit an infinite regression that never actually presents a definite source of morality.