How I figured out that some people are a law unto themselves under their regime

The spirit of empty promises is what they are full of

I was at that time hoping that the sort of monster-like other world vampires were not baptized into the Church.

The law doesn't apply to them in their private ceremonies and in real life at least according to their beliefs.

The Church recommends fasting collectively one day a month usually the first Sunday. You can also fast in groups or individually for various things you feel you want to fast and pray for. Fasting should be accompanied by prayer or it doesn't do you much good.