Liang, choosing not to attend the auction, decided to focus on enhancing his spirit skills and techniques. He smiled bitterly, admitting, "Most of the spirit techniques I possess are practically useless. Aside from the power of my rune, I lack any strong offensive or defensive methods."
Before his meeting with the Infernal Void Emperor, which resulted in the loss of his cultivation, Liang had already mastered a considerable number of techniques. One of these was the Void-Space Manipulation Technique, which comprised five stages. Prior to cultivating the Boundless Universe Art, he had reached the fourth stage, known as Void Shielding.
Upon attaining the first heaven, Liang experienced a remarkable improvement in his mastery of the void, allowing him to achieve the peak of the fifth stage: Void Perfection.
At this point, there was likely no one in the lower domains possessing a higher level of understanding than he did, with at least a few being on par.