In addition, the set comes with the Zetsumetsu Driver Unit, which can be attached to the DX Hiden Zero-One Driver (sold separately), creating the Zetsumetsu Driver as seen in Kamen Rider Zero-One's 44th episode. Inserting the DX Ark Scorpion Progrise Key to transform into Kamen Rider Horobi Ark Scorpion. This Premium Bandai web exclusive set cost 8,800 yen and was released this month.