Talk:Seven Deadly Sins Series/@comment-4698889-20141006035524

Given the information from the Gift novel, my theory is this: in order to awaken, each Demon requires to have a real human's consciousness merged with them in order to synthesize a body. The Demon of Gluttony had Banica, the Demon of Sloth had Eve, which is why MotG and MotC exist. With Gear and Waiter, it makes sense that the Demon of Greed had Adam (assuming he pulled an Eve and became the Demon of Greed) while the Demon of Pride had Riliane. The only mystery now is why the Demons of Lust and Envy didn't merge themselves with the consciousness of Venomania and Kayo, repsectively.