I wouldn't think so, either. That magic was definitely unique to that place.

[And may it forever stay there and never bother him again.]

But there are a lot of powerful people here, even if they might not be gods, exactly. My thought would be if enough people contribute at least in terms of energy, maybe something so drastic wouldn't be necessary?

[Even if he's skeptical about their ability to use the dream world to affect their lives back home, he won't discourage anyone else from attempting. He'd love to be proven wrong.]