He joined the Odyssey Horizon Guild and used whatever resources and advantages he had as a no-name prince to complete their missions, and finally, he reaped the rewards for it.
He managed to find an ancient artifact, whose value he didn't know, but when he traded it at the Odyssey Horizon Guild, it garnered him enough merit points to shoot his rank from a white tier member to an orange tier member, along with having the chance to redeem it for the opportunity to break through to the palace realm, which he was quick to do so.
He was given a mystic essence mulberry fruit which gave him enlightenment along with fortifying his foundations, to the point he had the smoothest breakthrough he had ever experienced. He even had doubts if it was real.
Jade Leaf Academy is mentioned in chapter 381...
And also thank you for your support thus far, and I think in the next two or so chapters, I should be winding up on this arc.
Also for those curious about what Yang Qing looks like, kindly check the chapter comment of the first chapter. I've uploaded the image there.