That wont be too much of a problem. The main group of RPers are old RP friends of mine. I'll vouch for them, they don't deal in meta knowledge.
The name is up to you, although Blackwood does sound more medieval.
Hm...it might muck up the profile a bit.
How about you make a post with an NPC initiate, with Grimm explaining the basics?
You know, the same way people explain things in books and movies by having one character explain it to another?