I just discovered that Mane6's Forum software choice, XenForo, supports 2-Factor Authentication through applications and email, complete with backup codes. For a paranoid nerd such as I, that was a pleasant surprise.
If you understood what I just said and you want to activate it: http://forums.themsfightinherds.com/index.php?account/two-step
If you understood what I just said and you want to activate it: http://forums.themsfightinherds.com/index.php?account/two-step