He had already received a message from his clan, informing him that Immortal Lord Fa You and other experts were being blocked by a great formation.
Relying solely on the strength of Immortal Lord Fa You and others, they were unable to break the formation. Thus, their emperor sent a message, instructing them to support Immortal Lord Fa You, attacking from both inside and outside, to break the human clan's great formation and allow their Sky Clan army to enter the Eastern Province.
In fact, the main issue was that the passage they entered through into the Eastern Province had a limited capacity, only able to carry so many cultivators.
Otherwise, Immortal Lord Fa You and the others could have directly arrived through the passage from the Central Continent, rendering the Eastern Province's formation a mere decoration.
