In Zhang Haiyan and Zhu Wu's opinion, the mastermind must be a very powerful force to be able to secretly control about one-third of Nirvana Tower's territory and plunder the resources and treasures in such a large area in just a few decades.
If it wasn't for the fact that it was a massive faction, how could it have plundered so many treasures and resources in such a short period of time? It should have secretly controlled many of the upper echelons of these empires.
