Weakening Thunder (鈍る雷 Niburu Ikazuchi) is the fifteenth episode of Kamen Rider Hibiki. It features the first appearance of three Oni: the apprentice Tomizo Todayama as "Todoroki", his master Zaomaru Zaitsuhara as "Zanki" and another Oni Sabaki.
Weakening Thunder (鈍る雷 Niburu Ikazuchi) is the fifteenth episode of Kamen Rider Hibiki. It features the first appearance of three Oni: the apprentice Tomizo Todayama as "Todoroki", his master Zaomaru Zaitsuhara as "Zanki" and another Oni Sabaki.