Akyulus is one of the legendary b-da players, and according to B-daeus he is the key to gain control of the B-da world.
He sends forth his servants to attack Akyulus and seize him and offers Yamato and company to surrender. Both Yamato and Grey refuse to sell Akyulus. Then Bull comes in to show Yamato’s and Grey’s new ultimate B-damans. Cobalt Blaster and Chrome Harrier.