Demon Slayer: Who is Jigoro Kuwajima?

gamerant.com:

The Hashira are the most respected demon killers in Koyoharu Gotouge's Demon Slayer universe. So far, the anime has explored the lives of a few Hashira, namely Kyōjurō Rengoku and Tengen Uzui. The highly anticipated third season will also focus on Muichiro Tokito and Mitsuri Kanroji, two more members of the current Hashira corps.

While these elite fighters are the current crop of Hashira, the anime has also briefly touched on previous Hashira, such as Sakonji Urokodaki and Shinjuro Rengoku, former Water and Flame Hashira, respectively. Another of these seasoned demon slayers is Jigoro Kuwajima, the Roaring Hashira.

The Demon Slayer Masks Explained

Jigoro was a former Hashira who practiced Thunder Breathing, which ended up giving him the title of «Roaring Hashira». Naturally, he was a very powerful demon slayer who successfully killed many demons. Unfortunately, he retired at the age of 35, when he lost his right leg in a fight with a demon. Since then, he devoted his time to teaching the next generation of demon slayers, most notably, Zenitsu Agatsuma, who lovingly called him «grandpa».

Thunder Breathing is a direct derivative from Sun Breathing, along with Flame, Water, Stone and Wind Breathing. Thunder Breath has been the base for other styles of Breathing, such as Sound, praticed by Tengen Uzui.

Thunder Breath is rooted in the legs. It is surprisingly hard to grasp the concept of knowing the muscles in the body, but Jigoro says that «once you grasp it, you can go into 'full focus' mode». The trick is to get as much air as possible into every vessel and fibre of the body, put all power into the legs and then an explosion will happen in a second «like lightning ripping through the air». This is evident in Zenitsu's