I don't remember the quest, but I do remember that Nikolai was worried about Krigan's arrival in Axoth. By the way, Axoth wasn't just pulled out of thin air. It was conceived back in 1995, but not by NWC, but with their consent. These books explain the "divine phenomenon" in M&M9.
So, it turned out that he was involved in the development, but also not really...
Added 7 minutes later
What do you think? Why is Enroth specifically a planet?
After all, it's quite possible that when "World" is mentioned, it doesn't necessarily mean a planet.
Maybe the description of Light Magic simply refers to the World of Enroth, not a planet.
Although, to be honest, you've almost convinced me