- "There is no need to fight the future. Your world will end in flames."
- —Online Description
Rygor is fought five times throughout the game, the final time being the game's final boss. During the fourth encounter, Rygor is fought in two states.
Rygor's battle theme for the first three encounters is "Challenger". During the fourth encounter, his themes are "The Final Image" for his first form and "Unstoppable" for his second form. During the fifth and final encounter, Rygor's theme plays.