Sparring, Berserk State

Jiang Xiaohui's words made the old guy laugh.

The old guy crooked a finger at him. "Come on, let me see how powerful your finishing move is."

Jiang Xiaohui got worked up too, glaring with wide eyes. "Don't push me. Once I make a move, I won't be able to control myself."

"Bring it on!" The old guy showed no fear.

Jiang Xiaohui was thoroughly enraged. He clenched both fists, his eyes bulging as his body began to swell. His skin color also started changing, turning a dark green.

I quietly asked the doctor, "This is...?"

"It's nothing. His body is simply undergoing a short-term mutation, which can stimulate the energy in his body and push his functions to their limit. Of course, his body is poisonous right now—a neuroparalytic toxin. If it touches you, your thoughts and movements will slow within seconds, leaving you like a walking corpse."

I was shocked. I hadn't expected the doctor to possess such methods.

The old guy became serious as well, looking at Jiang Xiaohui. "Genetic modification?"

"His genes haven't changed. Who told Jiang Xiaobai to have such excellent genes? I merely used a few methods to stimulate them and cause a temporary mutation. Old man, you'd better be careful. The kid wasn't wrong about one thing: after mutating, even he might not be able to control his own actions. Right now, all he sees is you, his enemy, and every blow he throws will be lethal. If you want him to return to normal, you'll have to wait for the mutation to end."

"How long can it last?" I asked curiously.

"Ten minutes," the doctor said.

Ten minutes? Many fights didn't even last ten minutes.

I wondered whether the old guy could hold out for that long.

Still, there was one thing