"What are the basic requirements to advance?" Zero asked, raising his hand like a serious student.

Valkyrie swiped her hand on the light screen behind him, causing the evolution tree diagram to disappear. On the blank screen, lines first formed a human body model, and then another ability was listed beside the model. Upon closer inspection, these were all basic abilities. But after the Basic Competencies was listed, there was a single, or even a cross line that extended towards ...