Kamen Rider - Season 26 Episode 46 Duel! Words from the Swordsman!
Overview: Everyone vows to do what they can while Takeru is invisible. Meanwhile, the Gammaizer want to evolve. They order Copy Makoto to study how humans convert feelings into power because Takeru is the key to everything. Takeru watches people get connected to the Demia network when suddenly he gets a headache from all the voices.