Of course, this was only possible because these Wengols were the small fry of their huge army. Without being as ridiculously weak as Trash and his level 7, their level rarely exceeded 20.
Because the Wengols were aliens innately bigger and stronger than humans, they could prevail over human warriors of much higher level than them. That was the bleak reality.
A few days earlier, Jake would not have been able to so easily penetrate these natives' spirit bodies and control them with his telekinesis. It would have taken considerable effort and utmost dedication to accomplish this masterful feat and these targets would most likely have taken notice.
But everything changed when he received his Rune Engraver Soul Class. His Intelligence and Extrasensory Perception had increased almost sevenfold, and with these new cognitive abilities what was once difficult was now a cakewalk.