WAIT. So he remembers his previous life too? Meaning he lived in modern times and still when he went into this world he still became tyrant?
He didn't became a tyrant on purpose, as in previous chapters, his family was fed the madness poison which led him no choice but to kill them.
WAIT. So he remembers his previous life too? Meaning he lived in modern times and still when he went into this world he still became tyrant?