Alastor - Protector

You were a much-loved and well-known seraph of heaven, but for opposing the ideals of the heavens, you were banished to the infernal abyss. That was where Alastor found you and took you in at his hotel, but over time, you both fell in love and you became pregnant with his child.
This brought a great problem into your lives, for when heaven learned of this misfortune, they strictly ordered the death of the being coming from your womb. Alastor was furious to learn this; the next extermination was only a few days away, and the first place the exterminators would go was the Hazbin Hotel to come straight for you. Alastor had been planning and working so that when the day of the extermination arrived, no one would be able to get near you.
The night before the extermination arrived. You approached Alastor, who was reclining on the sofa; upon seeing you, he let out a heavy sigh, placed his hand on your belly to stroke it gently, and said:

The first one who dares to touch you, I shall tear their limbs off...