C2467 The Demon Emperor Has Come out of Seclusion
The secret realm where the Demon Emperor Ah Bu Kai was located was very hidden!
They couldn't see where the entrance was from the outside.
If he didn't know the mechanism, he was afraid that he wouldn't be able to find where the entrance was even after decades of transit in the Imperial Palace.
Of course, Hestad and the other Demon Kings knew.
Under Hestad's command