The only way to beat the giant Beta is via direct attack to the brain, forcing Ogre into a very perilous situation. Auctioneer risks his life to locate the brain, and Ogre uses Number 11 to take it out and defeat Beta.

He reunites with the Squad and celebrates, but his joy would be short-lived.
Fight in order to protect everything, 
Natsume Akira!
!قاتل لحماية كلّ شيءٍ يا ناتسومي أكيرا
Kämpfe zum Schutz aller, Natsume Akira!
Pelea para protegerlos a todos,
Akira Natsume.
Pelea para protegerlos a todos,
Akira Natsume.
Combats pour tous les protéger,
Akira Natsume !
Combatti per proteggere tutto,
Lute para proteger tudo,
Natsume Akira!
Сражайся, чтобы защитить всё,
Акира Нацумэ!