The Infernal Alpha

What if stiles almost died after season 6b, what if Scott bit him, what if Malia never left him, and everyone thought stiles died. He was buried next to his mother but an. unknown hellhound possessed him making him a löwenmensch hellhound hybrid ? What if Scott pulled advances on Malia and she didn't reject it? What if stiles saw everything and left as he became a hellhound löwenmensch hybrid, he took the life of a random alpha to became an alpha now he is just alone in his cabin.