"Core of the Realm? What's that?" Android 18 asked, looking puzzled.
Android 21 smiled slightly and explained, "The core of the realm is your Infinite Energy reactor. It's also what makes you and Android 17 so special."
"Haven't you ever wondered why you and Android 17 are Infinite Energy types, yet the androids made after you—even Cell—aren't?"
"Well..." Android 18 froze. She and Android 17 had indeed wondered about that before. Their confusion had only deepened after learning from the Android 17 and Android 18 of Future Trunks's world that, even there, only their two models and the fully mechanical Android 16 possessed Infinite Energy.
Could there really be some secret behind it?
"Of course there is!" Android 21 said with a smile. "How could something like an Infinite Energy reactor really exist? The so-called Infinite Energy inside your bodies actually comes from a substance called the core of the realm!"
"I found it years ago at the place where Majin Buu was sealed. There were only three pieces in total, and one of them had only half left. Those two and a half cores of the realm are what your Infinite Energy reactors really are!"
"They're what make you and Android 17 so special. As androids, you not only have Infinite Energy, but your power can also grow without limit."
Android 18's eyes widened, and she instinctively took a step back.
So her body had been hiding a secret like that. No wonder Cell's power had grown so dramatically after absorbing her and Android 17. It had all been because of those energy reactors called cores of the realm.
Then... after telling me all this, could Android 21 be planning to...
"Judging by your expression, you've figured it out, haven't you? That's right! If I eat you and Android