Rou usually tried to play the the strength of the gunpla. Accepting the beam saber would go against that tactic on so many levels. However, his love of cheesy honorable battles got the better of him. He attached his cannons to form the Anti Armor Shotgun and fired a shot into the air to let Kasumi know he was coming. He took the beam saber in his hand and walked forward, letting the attached cannons fall to the side.