From this thread
Moridan_X wrote:
The Mistress of the Night's emblem posted upon a piece of parchment placed within the Sanctuary (in the member's section) by a figure shrouded in black and protected by an advanced invisibility spell (for those with see invis on all the time).
The Incognitos wrote:
//for future referance, can I declare an "advanced invisibility spell" and know that 'see invisibility' cannot pierce it?
I can't speak for anyone else, but if I'm roleplaying with you I am unlikely to consent to that, that unless a DM approves it or your "advanced invisibility" is actually Greater Sanctuary.