一级理论和二级理论的区别

So what if you become invisible? Your shadow is your greatest weakness. Suffer death and see if I don't kill you with one blow. The Iron-Blooded Demon God issued a threat and launched the Nine-Nine-Eighty-One Demon God's Fork Technique. He swung out more than a dozen prongs as quickly as water from the abyss. Each attack doubled its power, giving it an unprecedented attack pleasure. ....