He listened, but took several minutes to respond, picking at his food as he let his anger return to smoldering embers rather than the full inferno it had blazed up as. "No idea who they are, so it will be difficult to remove them. And that assumes they haven't been making more notes on improvements in the mean time. The person could even be outside the city for all I know. I do know the nation is under the wings of Tiamat, at least indirectly. Her deal involved me gaining a great deal for a decade at least, in exchange for ignoring the nation.<br/><br/>Other ideas include collapsing all the ways in with avalanches. The inventions cost a great deal in both coin and resouces, I think, so they have to expand to get more of each. If they can't, they will eventually implode and deal with themselves internally."