This Headcanon is called Mandela Catalogue: Interference. This is where the 2 worlds warp together due to some "Interference". And Gabriel is Hella obsessed with Gf. He basically manipulates her and purposefully makes her go into her trollge form. He wants her cuz of her demonic abilities, trying to make her his "queen", and he knows she is twice as powerful in her trollge form. Trollge Gf constantly is crying for help in some way, but she also will do what Gabriel says, though Cleary she doesn't want to, she is really scared of him. Even sending Cesar to kill BF