http://theoccult.bz/signup.php

TheOccult.bz is a tracker that specialises in occult material only.
From their rules: "TheOccult came about to provide a community for like-minded adults to gather and share knowledge of the hidden."
The tracker is about 1 year old with oldest torrent from 02 Jan 2009 and oldest forum post made in december 2008. They track over 10.000 torrents.
TheOccult is a sister site of TheVault.bz, ThePlace.bz and Thebox.bz.
Members get 2 invites every 20 days after they download more than 10GB and have a ratio greater than 1.05.
As soon as the user cont drops below 21000 there are open signups.
Ratio is pretty easy to mantain even if you have a slow connection.