C1564 Concealment of Spirit and Heavenly Art

Just like what Yang Liefeng had said, the "Hidden Spirit Seal" was extremely hard to draw, and with Yang Liefeng's basic techniques, it was not hard to see. First of all, he had to condense his spirit energy into a spirit needle, which made it difficult for Cultivators, who had to have a very strong control over spirit energy, to do that, compared to drawing the "Hidden Spirit Curse Seal"