Khaston took a glance at Falcon and said, "Are you sure you've sent enough to stall them?"
Falcon grinned and replied, "Of, course. Do you not trust me?"
The three in front of them were confused because of what they were talking about but they all knew it was not something good.
They've planned all of this because they know what is happening. Khaston has an eye everywhere and he found out that the hybrids were training in the spirit realm. He also knew that they are heading back to the human realm today. Having them around will give them a hard time completing their goal here which is why they have to obstruct their way using modified humans with Penelope's substance.