What exactly was on the sixth underground level of that Experiment Base?
Why had the doctor's face suddenly turned so ugly?
The doctor muttered, "So that's how it is. That damned cat was after the sixth underground level."
Jiang Xiaohui was curious too. "Doctor, my Big Brother is asking you. What exactly is on the sixth underground level?"
The doctor hesitated before saying, "Someone is imprisoned on the sixth underground level."
I hadn't expected the sixth underground level to hold not some treasure, but a person.
"Who's imprisoned there?"
The doctor gave a bitter smile. "Me."
All of us were dumbfounded. The person imprisoned on the sixth underground level was actually the doctor himself.
The doctor coughed awkwardly. "Or rather, the version of me who fell into madness. He came from the future—more precisely, from the apocalypse."
The doctor was ruthless indeed. He had actually imprisoned his future self.
"What happened to him?" I asked.
The doctor pressed his lips together. "He betrayed you. In fact, some of your original ideas weren't wrong at all. They were even right. But he changed the course of events on his own. From the moment he entered the Void Realm, he had been urging me on. He said I didn't need to cooperate with you, much less obey you in everything. He said I had abilities of my own and should become the Ruler of this world."
"Looks like ambition is stirring again," Ying Gou said.
But the doctor shook his head. "No. I know myself. I shouldn't be an ambitious person, so I suspect someone deliberately awakened that ambition in him. Someone with ulterior motives wanted to drive a wedge between Xiaobai and me. I just didn't expect them to use such a method. Naturally, I wouldn't be persuaded by just a