01. An episode of Slash and Buster.
This special takes place during the events of Kamen Rider Saber episode 8. As Daishinji analyzes the King of Arthur Wonder Ride Book, he and Ogami reflect on the incident 15 years ago.
02. An episode of Kenzan.
This special takes place during the events of Kamen Rider Saber episode 9. While investigating a Megid incident, Ogami leaves Ren to follow his instinct about Sophia. Dejected, Ren has an encounter with Desast that is more than it seems.
03. An episode of Espada.
This special takes place during the events of Kamen Rider Saber episode 13. Bedridden from his encounter with Calibur, Kento reflects on joining the Sword of Logos and his father's betrayal.
04. An episode of Blades.
This special takes place immediately after Kamen Rider Saber episode 15. Rintaro dwells on disastrous events. Mei tries to reinforce his resolve.