The unconventional wording of your post ("If you want to believe the way Jesus was portrayed was fictional, fine; the funny thing is you all ask for proof, and what's more proof than God himself condescending himself down to being a human?") led me to get the impression that you were using the word to mean a physical descent. On review, I can accept that you meant otherwise and am happy to give you the benefit of the doubt.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'