Recently, Geng Yangtian had been kept busy with the affairs of the Endless Mainland. All of the sects had started gathering together, concentrating their powers as a whole. As for the side of the Moon Shadow Mainland, the frequency of their attacks was increasing these days as well. Furthermore, there were many fights taken on by the Master Gods themselves.
For them from the Endless Mainland, facing up against a Master God would often require a couple of Old Masters of Immortal King state before they could even match up and fight evenly — and that was just against the normal Master Gods.