: For the first time, viewers learn the tragic origin of Giyu's stoicism. His refusal to train stems from a deep-seated feeling of unworthiness, believing he shouldn't be the Water Hashira because his friend Sabito died during their Final Selection while Giyu was merely protected.
"Conditioning," he muttered, barely audible. "Just... do it until you pass out." Demon Slayer- Kimetsu no Yaiba Hashira Training...