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.
I'm just a clone that's carrying
on your brother's will.
أنا مجرّد نسخة تحمل إرادة أخيك
Ich existiere bloß,
um den Willen deines Bruders umzusetzen.
Je ne suis qu’un clone
qui a hérité de la volonté de ton frère.
Io...
Eu sou apenas um clone que carrega
a vontade do seu irmão.
Я всего лишь клон, который несёт
в себе желание твоего брата.