Other Title: 仮面ライダービルド-破滅のタワー, Kamen Raidā Birudo-Hametsu no Tawā
Summary: Evolto furthered his evolution by re-assimilating himself with his
disassembled genetic makeup. That’s not all though. He’s almost got his
hands on all of the Fullbottles and on the Pandora Box! Ryuga, who
sacrificed himself to save Sento’s life, said that he was the only one
who could save everyone. Sento swears to protect the Pandora Box no
matter what, as all eyes rest on the last Fullbottle left that can
change the course of the battle: Gentoku’s own Phoenix Fullbottle…