Three Kingdoms: I Was at Red Cliffs, and My Thigh Was Crushed to Death

Zhou Yu died suddenly while proving Goldbach’s conjecture, then transmigrated into Zhou Yu on the eve of the Battle of Red Cliffs. As I recall, history says Wu won that battle, so I’d better cling tight to Wu’s strongest supporter. Wait, who exactly is Wu’s strongest supporter? It seems to be me, but not quite me. So is it me or not? This is urgent! Really urgent!