BigBrain, you can try this method out. Top post^
Also, you do not mention of creating any kind of protective space, yet you those your blood willy nilly.
Looks like you’re not actually calling the entity or have any kind of confirmation that the entity is present. As for not picking up on spirits or having a hard time connecting with them. This book, Astral Dynamics is a good start as far I read on this forum.
It will teach you how to perceive energy and open the psychic senses, and project from your body as well. An ebook version is also available. Or you can delve into Qigong, I think our mod Mulberry can guide you to good sources for that.