[quote=@Etcetera]
<Snipped quote by Multifarious>

In a sense, this [i]is[/i] the backdoor.
*Follows behind you, and bands of color-warping ribbons stream across the room*
It won't recognize me without more biological signatures.
*Several of the patterns on the walls are consumed by a puff of smoke and the ribbons turn monochrome, fall onto the ground, and fade away*
[/quote]

A more convenient one, then.