A vital source book for players and DMs of all levels of experience, the Manual of the Planes details the manifold worlds of the known planes of existence. This book describes the inhabitants, rulers, and environments of these worlds, as well as rules [ click here for more] Wizards of the Coast. $9.99. The End of the World Is at Hand! A hideous death cult has seized control of an ancient artifact-monument known as Tovag Baragu. The power behind the cult is the Old One himself, Iuz the Evil, demonic master of an empire. He's on an all-or-nothing quest for supremacy over the world—and the heavens beyond. 6. Our group has been playing in the Planescape setting for years now using the 3.5 edition rules and we haven't had any real problems with using the 3.5 edition rules in the Planescape setting. For converting monsters (and other rules although we rarely had to use that) to 3.5 edition you can use the Planewalker site. I'm slowly cooking up a Planescape campaign (getting ready to move, so not for a couple more months) and am currently debating whether to go with the old AD&D rules or 3.5. Originally, I was incredibly gung-ho about using 3.5 but that's waned a little bit. The stuff on Planewalker is great and EDIT: Here are the homebrew stats for a Rogue Quadron that I was able to find: +4 con, +4 int, -2 cha, -2 dex. No favourite class (Modrons can't diversify) Fire/Acid/Cold resistance 10. Immunity to sleep, mind-affecting spells, poison, paralysis and disease but not to ability drain due to going rogue and separating from Primus' source.