2x21 - Monster Rancher

Genki and the others attempt to lead Moo away from the Phoenix, when Pixie and an army of the Pirate Dragon army, led by Vulcan. Pixie is seriously hurt while fighting. But instead of finishing them off, Moo goes berserk. His mind is strangled by the evil fury of Moo's soul. Meanwhile, Pixie is in danger of becoming a lost disc. Big Blue decides to fuse with Pixie to save her, even though he ceases to exist. They fuse into Granitee. Holly realizes that in order to summon the Phoenix's soul, they might have to fuse monsters that the Phoenix's soul was reincarnated into.