[Effort]: His status as Swordmaster's due to pure bone-breaking effort that puts him near death. By repeating movements, he reduced small errors & perfected better motions, advancing beyond 相手 in an agonzingly slow manner [忍]: 自分 endures through the battle w/ the Will of Endurance, as his agonizingly slow progress accumulates, slowly advancing as days,weeks,months&years pass while fighting 相手