Sasaki didn´t do anything outside of swing and fly, it was clearly a technique with even the users said, no one mentioned the true power of a ancient zoan:
With Queen it was said different that it wasn´t just a tecnnique but a form and was even called like it:
Sasaki technique was named to his attack, Queen brachiocilus had his own attack names.
King,Queen and Jack seems changing their bodies while Sasaki had a normal hybrid and a technique where he swing his airbone to fly.