Comments of chapter undefined of Aegon Snow

So, I have finally figured out all military tactics that King Aegon VI (or VIl; if the boy who both Jon Connington and the Golden Company is supporting is truly the son of Rhaegar and Elia but I really doubt it so far) effectively utilized in his unconventional battle strategy (by this medieval society's obviously stagnant standards) against both the Tullys and the Knights of the Vale. Are a powerful mixture of these outlined in the picture below, blended with Byzantine Roman style weaponry and equipment that’s if you recall the shields and crossbows?