: To combat Upper Rank demons, slayers must manifest these marks, which grant superhuman strength and speed.
Without more specific details, it's challenging to provide a precise answer. However, I can offer some general information: Demon Slayer- Kimetsu no Yaiba Hashira Training...
There are seven Hashira in the Demon Slayer Corps, each specializing in a specific area: : To combat Upper Rank demons, slayers must
Tanjiro, drenched in sweat, paused. "No, look," he said, pointing to the horizon. "He’s teaching us to navigate when we are lost. In battle, we won't always know : To combat Upper Rank demons