Li Mu flipped open the handwritten copy of the Blood Source Codex and turned to the pages that recorded the Blood Origin Polymorph Spell.
Although hyperthymesia allowed him to remember everything at a glance, imagining it in his mind was still somewhat different from seeing it with his own eyes.
He always felt that seeing it firsthand was more conducive to thinking. After all, he would not have to recall the contents of the Blood Origin Polymorph Spell while thinking at the same time.
To master the Blood Origin Polymorph Spell, one first had to become a Blood Origin Wizard.
This was one of the Blood Origin Wizard's exclusive skills. To become a Blood Origin Wizard, he did not need to set up the most difficult ritual, since the Blood Source Codex could replace it. However, the Blood Source Codex could not replace the other class-transfer materials, especially the special potion required for the transfer—the Blood Source Fusion Agent.
The most difficult main ingredient for the Blood Source Fusion Agent was a drop of essence blood from a legendary lifeform.
A Blood Source Fusion Agent made from it could use that legendary lifeform's essence blood as its foundation to suppress the other bloodlines fused by the Blood Origin Wizard. It would then use the legendary essence blood to devour those other bloodlines, ultimately nurturing that single drop into a complete legendary bloodline.
By this world's classification, a legendary lifeform was at least LV70 upon reaching adulthood.
The difficulty of obtaining even a drop of essence blood from such an existence was obvious.
Asking a legendary lifeform for it directly was no different from suicide.
Therefore, the Blood Origin Wizard class inheritance offered a solution: find mixed-blood descendants of legendary lifeforms, then continuously purify their bloodlines. With enough mixed-blood descendants, one