I believe the answer is: A supernatural event
Gothic literature is Characterized by various components of death, horror, or desperation throughout the literature.
Supernatural event where dead body can be made to live again could be considered as a horror component in goth literature.
It applies to cheating because not only can god (mythology) see you but people can see you too. So if you cheat god and whoever you are cheating on has a high chance of seeing you.