Zanka no Tachi doesn't have any visible flames, but it does generate a massive heatwave in the surrounding area. Yamamoto becomes as hot as the sun with both his blade and body.

Yamamoto’s Bankai is Zanka no Tachi, which translates to Blade of Ember. The hints of Yamamoto’s Bankai ability are in the technique’s name.

In addition to being head and founder of the Gotei 13, he’s also in charge for the 1st Division. He wields the Ryujin Jakka and is known for his Zanka no Tachi Bankai and fiery attacks. The ...