Wait, so there is a tower that has in it demons outside the demon king's kingdom?
A separate entity altogether?
He says overlord, so someone bigger? So confusing
It's getting really annoying that despite crushing everything and everyone he has this completely unwarranted inferiority complex just for the "but i am weak" gag.
The guy is 40 years old and acts like a child, gonna be dropping this very soon if this continues