That wasn't just a common spatial ring.
Inside the ring, there were tons of cultivation books about ancient cultivation techniques.
Xue Ming became stronger because she mastered a lot of cultivation techniques.
Aside from that, she was also a persistent person.
She desired to become stronger. However, she had a fatal weakness.
Her weakness was that she had many spiritual roots elements. The more someone has spiritual roots, the slower the cultivation process.
Thus, Xue Ming started her long journey of finding this mysterious fruit that could turn people's spiritual roots into just one powerful singular spiritual root.
Well, of course, she was lucky. Her protagonist halo radiated again, and she got the most powerful element for her single spiritual root.
Usually, strong alchemists have wood or fire elements or both, because those elements were the most suitable elements for alchemists.