Demon lord caslte

[Demonarts24]

How do I access the demon lord's castle?

[CamTheNinjaWolf]

if your talking about what I think u are its at the goddess statue in the temple there is stairs leading down

[Darknesbeast]

After finishing the true ending go to Milith in her shop and after that go to the map and move around until Claire is off the map and it says Demon Lord's Castle in the top right