Boss Development Manual

My body is under my control, covering body organs, hundreds of categories, heart, liver, spleen, lungs and kidneys, eyes, ears, mouth, nose and stomach, blood, bones, muscles, marrow... Different addition points lead to countless possibilities. Corpse bone veins, chaotic lion hair, flaming golden eyes, a mouth that swallows the world, pure Yang Yan... Walking in the heavens, I am a myth.