Episode 5: "About my friend, Swordsman of Lightning"
Air Date - October 4
Kento Fukamiya (Kamen Rider Espada) is in a deep thought about Swordsman of Darkness → Kamen Rider Calibur. Touma Kamiyama (Kamen Rider Zero-One) had noticed that Kento's behaviour is strange ever since Kamen Rider Calibur had appeared before them. He is worried about Kento.
At the same time, a new Megido → Piranha Megido appears along with Kamen Rider Calibur. During the fight with Kamen Rider Calibur, Kento bursts out his feeling for his father Hayato Fukamiya who is actually Kamen Rider Calibur.
Air Date - October 11
Touma meets the Swordsman of Wind → Ren Akamichi (Kamen Rider Kenzan) who uses the Seiken → Fuusou-Ken Hayate.
During the fight with Storius, Touma gets his Seiken → Kaen-Ken Rekka sealed. Touma entrusts everything to Ren and goes in the Journey to find the Greater Power while is sleeping in Avalon. To find that, he opens up the Forbidden Book.
This Greater Power could be King Of Arthur Wonder Ride Book which will give rise to King Excalibur. When it comes to Avalon, it is the place where King Arthur's Excalibur was Forged.