Webdemon slayer's love hashira mitsuri kanroji just pointed tanjiro in the direction of a secret weapon that can allegedly help him to grow stronger. Webkimetsu no yaiba hints at a key hidden power for tanjiro. The following article contains spoilers for episode 23 of demon slayer: Kimetsu no yaiba, hashira. Webupon meeting tanjiro and getting a quick glance at his earrings, shinjuro rengoku exploded with rage and started berating tanjiro over it. Kimetsu no yaiba swordsmith village arc episode #2 sees tanjiro discover the secret weapon hidden in the swordsmith village; Webunder sakonji's arduous training, tanjiro learns the first of his many fighting powers: A breathing style (more on those in a bit) known as total concentration. Webone such slayer is tanjiro kamado, who became a demon slayer to find the entity responsible for killing his family and turning his sister nezuko into a demon. Webkimetsu no yaiba hints at a key hidden power for tanjiro. Introduced in the show's third episode, total concentration breathing is a technique that allows. Webever since his battle with rui, tanjiro kamado has been hoping to find someone who can explain the hinokami kagura to him. This is a powerful breathing.