I traveled through hundreds of worlds at once

"Like Brother Slayer, I want to ask Marvel to help me develop something."

Yihui, who is almost the same age as Brother Slayer Yihui and looks like a young junior high school student, saw that it was finally his turn to talk about the topic, so he quickly reached into his trouser pocket and took out a glass jar and a tube of blood, and handed it to Marvel Yihui.

The empty glass jar looks like an ordinary empty jar, but the Yihui present don't just observe things with their eyes. They immediately realized that this empty jar is not really an empty jar, but is filled with a special transparent substance.

"This is the substitute for the sub-human