One of Wu Long's biggest gains from the enlightenment was of course, a greater grasp over the Earth Rune that he could now control with almost as much efficiency as he did with Water Rune, although his ability to manipulate the elemental attribute was not as great yet, as it required practice.
Another significant, perhaps even greater, achievement, was that he was able to figure out how to control all of the vortexes within the Ring of Spiritual Qi that formed around his Core, and through them, how to control the current of the Spiritual Qi within the Ring itself.
Much like his previous enlightenment allowed him to instantly increase his cultivation, this one did as well, and as he concentrated all of that on only one of the vortexes, he was able to push it to start condensing small crystals, effectively pushing it into a state similar to Foundation Building Realm.
