Only a year had passed since he last captured a cultivator, and he had not even recovered half of that meager strength. If he were to completely drain this bit of power, he could indeed pull in the Myriad Phenomena Realm cultivator from outside.
If time allowed, he would prefer to wait and conserve that sliver of strength, but time was pressing.
It took him fifty to sixty thousand years to create a slight flaw in the Emperor Formation and barely manage to transmit a sliver of power out. Now that the formation had been repaired by Zi Miao Zhen, he could no longer send power outside, nor did he want to wait another fifty thousand years.
If he missed the opportunity with that Myriad Phenomena Realm cultivator outside, who knows when he would encounter another one? Pulling in a regular cultivator would be futile, as he could not afford to throw out a second pill formula to cause trouble.
