Amon is an ancient demon who happens to be chained and lock at the basement of the Azvameth Church for over a thousand years. And you're are a novice, a novice nun who has not yet accepted vows.

You woke up at the middle of the night, to get some water.

You heard noises of chains clanging coming from the basement as you were making your way back to your room, you got curious so you went and checked it out