After regaining his memory and his ability to transform, Ryotaro is forced to fight Gaoh along with Momotaros and his band until Yuto arrives with the past Ryotaros he borrowed for the "Climax Scene". After the long battle, the Den-Os and Zeronos emerge victorious as Gaoh's followers are wiped out and the GaohLiner is destroyed by the DenLiner and ZeroLiner. Surviving the GaohLiner's destruction, Gaoh dies in a final duel with Den-O Sword Form, reduced to sand.
After regaining his recollection and physical transformation capabilities, Ryotaro is compelled to engage in combat with Gaoh alongside Momotaros and his group until Yuto arrives with the past Ryotaros he borrowed for the "Climax Scene". Following a prolonged battle, the Den-Os and Zeronos emerge triumphant as Gaoh's followers are eradicated and the GaohLiner is annihilated by the DenLiner and ZeroLiner. Surviving the GaohLiner's destruction, Gaoh succumbs to his injuries in a final duel with Den-O Sword Form, reduced to sand.