Imagine how the Wizard Guild would begin eliminating the faith after discovering that the faith of the Outer Heavenly Demon had already spread throughout the Lan Continent.
Abel himself had believers, so he knew how to eliminate faith: kill the believers. Converting believers, especially believers of the Outer Heavenly Demon, was practically impossible.
Once a channel of faith had been established, it was completely impossible to sever it.
Unless the believer died, that was the only method he could think of, at least.
He did not know how many people lived on the Lan Continent. Presumably, its population was not much different from that of the Holy Continent. He could not stand by and watch so many lives be slaughtered two years later because of the elimination of their faith.
Abel did not consider himself a completely good person, but as long as he had the ability to stop it, he could not ignore the possibility of a massacre on the Lan Continent.
He possessed information even the Wizard Guild did not know. He knew that the source of everything lay in that divine artifact armor, and in the Harvey Empire.
Moreover, he had the ability to reach the Lan Continent within a short time. The Sky Ship was not the fastest flying vehicle. Of course, what he had in mind was not White Cloud, but the fully equipped, flight-capable War Fortress.
With the map he had obtained from Rule Wizard Hume, he now had a destination for the Lan Continent.
Before leaving, he checked the various resources in his inventory: potions supplied to the various forces, the main-array metallurgy materials for the Sky Ship he was preparing to provide to the Dwarf race, cultivation resources for his followers, and so on. The quantities could fully support half a year.