chapter 178 Duel===

"Haha, Yang Yuxiong, look who I have in my hand,"Aaron Brain said with a smile.

"Brother, they burned down the laboratory and all the puppet weapons were destroyed," Yang Yuejing shouted.

Yang Yuxiong's face turned pale. He looked at Aaron Brain fiercely and said, "Aaron Brain, it's you again. I should have killed you earlier. You are dead this time."

Yang Yuxiong suddenly jumped up and jumped down from the upstairs, "Aaron Brain, if you have the guts, fight me one-on-one."...