Vale was happier to see that Lisa had already become Immortal. To be honest, after learning about the existence of higher realms, he felt a lot of pressure since, aside from him and the True Immortals he had woken up and the Demon Saints he controlled, there weren't really other people who could help him protect this realm.
If they really received a full frontal assault from the Abyss Realm, Time Manipulators, the Death God's Underworld Realm, and some other Realms that might want to obtain his Divine Extraction, Vale knew that it would be impossible to protect this place no matter how powerful he was.
Their option was to make the Will of the Realm become stronger and block off all other Realms from entering this place. Aside from that, the Overseer also mentioned that they have to ascend to the Higher Realm and obtain protection…