Astonishing! Hermit's Truth! (仰天！仙人の真実！ Gyōten! Sennin no Shinjitsu!) is the forty-second episode of Kamen Rider Ghost. It reveals that Edith was Sennin all along. It also features the final appearance of Necrom's Grimm and Sanzo Damashiis and Edith's Gamma Ultima Ebony form. This episode's broadcast was followed by the fourth and final installment of Kamen Rider Ghost: Commemoration! Short Stories, produced to promote the movie Kamen Rider Ghost: The 100 Eyecons and Ghost's Fateful Moment.