Sad but so.

You feel the dungeon begin to phase out into the vague potential state it occupies when there are no 'heroes' in it, and "Hah..."sadly, thinking with regret of the treasure you collected which you now will never get to sort or use, and the missed opportunity from that lying little rogue.

You hope you have made her so terrified of this dungeon that she wont ever come back here, but know that to be an improbable dream, even those whom you would swear were horrified enough to never return eventually decide to 'face their fear' when they hit level 80 or so, shortly before reaching the heroic level cap at 85. One of those people comes storming through every month or so, blasting the place to smithereens and crushing every last monster in the dungeon like so many eggshells.

Still, you try to look on the bright side as the last of the color drains from your home/world, when you next spawn you have a level up to look forward to...