"Power level? I really don't know," Harvey whispered into Mark's ears. "All I know is that I’m invincible in this world. Maybe I'll find a worthy opponent in the future, but don't worry. That person won't be from Sky Plane or the Island Nation. That's why all of you will forever carry the title 'weaklings'."

Mark was not angered at all, but he was simply numb. After a long while, he muttered, "If you're invincible, you're already halfway uniting between Man and Nature… How's that even possible?