That's Zoro: The only Straw Hat who has complained about injuries from previous arcs, and also the one who got the bones of all his body broken by an attack that didn't even hit his body directly, and needed a special mink medicine in order to be able to fight after being embalmed and carried around as a burden to Sanji.
Lol
Him still continuing is the best due not needing hax DF or genetic modifications.