It took Huo Hai most of the day to realize that the final step just now had been something akin to a soul contract. He had transformed his Mental Power directly into an imprint and branded it into the Illusion Butterfly's mind.
Such a method could normally only be used after reaching the Spirit Practitioner Realm and choosing the path of a Beast Spirit Master. Beast Spirit Masters had special techniques that allowed them to brand their mental imprints into a Spirit Beast's soul, thereby controlling it. Yet Huo Hai had never expected that, with the Insect Refining Formation inherited from ancient times, he could accomplish the same thing.
Shaking his head, Huo Hai rubbed his aching forehead and muttered to himself, "Honestly, so many things from ancient times have been lost that there isn't even any record of them now." It was truly helpless.
Since coming to this world, Huo Hai had never obtained the legendary golden finger. He had only barely gained some strength through the Insect-Rearing Method, but that was all for now. Gu Insects had limited room for improvement; their potential had basically been dug clean.
According to the records, directly raising Heavenly Spirit Insects was the best path in the Insect-Rearing Method. Yet regarding insect control and insect rearing, there were only two things described. One was this Insect Refining Formation, while the other was the method of feeding them spiritual energy.
Everything else—methods using medicinal substances, means of strengthening insects, and ways to subdue powerful insects—was gone, all lost to history. It seemed that once he reached the Imperial City Academy, he would have to specifically look into these matters.
Just as Huo Hai was pondering the Insect-Rearing Method, the blood-red color on the Illusion Butterfly's body completely withdrew into its body. The Illusion