Peerless Expert Troublemaker

Ivan, our protagonist, dies and rebirths as the owner of a mysterious black tower. This tower allows him to visit other worlds, gain all sorts of powers, earn money, but mostly: Make trouble! ”Disguise a student from this academy and eat sects most prized spiritual treasure! Leave behind the manuals for the secret art: Blood, Bones, Berserk!” ”Did I just hear humanity rely on the seven Towers of Trial? What if we destroy the third step and have everyone pay to use our tower? Seems like a plan!” ”Gene-Espers use a database to store the formulas for safely evolving their genetic code, as it’s impossible to remember? Don’t you think we needed a progress reset? Let’s install a virus, leaving only the twenty most basic formulas!