Actually, that's perfect. Looks like you're a step ahead of most the newcomers here.
You can always try it, but be careful. There's no real guarantee around here.
And, as a forewarning, if you go chasing after demons, make sure you try and exorcise them before you start attempting to slash them apart. There are people inside those bodies their wearing.
Which brings me to my next subject: you need to get a protective amulet from the apartment complex. That is, if you can even get inside the complex to begin with?