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.
This leads to Ryotaro regaining his recollection and physical capabilities, forcing him to fight alongside Momotaros and their group against Gaoh until Yuto arrives with the past Ryotaros for the "Climax Scene". Following a prolonged battle, Den-Os and Zeronos emerge victorious as Gaoh's followers are eliminated and the GaohLiner is destroyed by DenLiner and ZeroLiner. Surviving the GaohLiner's destruction, Gaoh dies in a final duel with Den-O Sword Form, reduced to sand.