There had been an element of luck in it, too. Li Xiaoya had first tried mixing and refining the essence blood of two Demon Beasts that were closely related or had similar attributes... He had succeeded several times, but the resulting Elder Demon Beast essence blood was less effective than either kind on its own. What use was that?
Next, Li Xiaoya had thought to refine the Demon Beast essence blood with medicinal herbs first, neutralizing it and making it gentler before attempting to fuse it. Although the results were somewhat better, the cost was considerable and the success rate far too low. Naturally, that was no good choice...
Li Xiaoya was not about to give up so easily. Developing a new method for fusing Demon Beast essence blood was no easier than devising a new elixir formula. Of course it would not be simple...
But...
Li Xiaoya had tested hundreds of methods and formulas without achieving a satisfactory result. At best, he could fuse the essence blood of three or four Elder Demon Beasts, and even then the effects were mediocre. He had begun to lose heart...
The main problem was that Elder Demon Beast blood contained too many disparate powers, along with the Innate Divine Abilities the beasts themselves had comprehended. Naturally, fusing it was extremely difficult...
But why had Li Xiaoya persisted so doggedly in researching a method to refine Demon Beast essence blood?
As he cultivated the Myriad Beasts Body Tempering Diagram, Li Xiaoya had realized that refining Elder Demon Beast essence blood one kind after another was, in fact, a process of fusing all those beasts' essence blood into his own. What he ultimately produced was itself a blend of essence blood...
Yet absorbing and refining each individual kind of Demon Beast essence blood consumed