KeenGamer: ”Where is demon #44? How do I find gold material? Which shard is best? These questions and more are answered in our Bloodstained FAQ! There are many secrets to Bloodstained: Ritual of the Night, as well as players who are eager to optimize their build for Miriam. When you go hunting for an elusive demon, this guide will help you find it and give you the best tools for the job.”
Source: N4G PC Bloodstained: Ritual of the Night FAQ