He didn't tell the whole truth.

There are no incenses worshipping the Taoist Immortal Court in Qi Town, Hebei, and the power of the Immortal Court has been greatly reduced. If even the incenses of the Seven Towns of Zhongyuan are lost, the Immortal Court will not be able to effectively maintain the operation of the Kunlun Channel.

As a channel to communicate with immortals and mortals, if the Immortal Court wants to open the Kunlun channel, it needs to gather the power of incense in the mortal world. If this power is too small, even if the Immortal Emperor has the means to defy the heavens, he will not be able to send so many Taoist soldiers.
Chapter completed!