"You think Pygmy people will surrender easy easy to Rezar Rezar! Neverrrrrrr! Attack formation!" and then all disappeared, turning into tiny versions of themselves that proceeded to beat the crap out of the people that took them captive. Rezar was left alone for the most part, and he watched the embarrassing display in front of him.
Most of the guard were not fast enough to track the movements of the pygmies, these folks were no different from flies and mosquitoes in this state of theirs.
The pygmies were too small and a little too much to deal with properly, and they knew just how well to utilize their tiny size. If they became giants it would be much too easy for them to be dealt with, they knew that, which was why they stayed small, and had speed and jump and little bit of power behind their movements, which was probably because their normal bulk was compressed to such a small size.