Ch. 5, Page 6

The staff had grated on Tenser the hardest, as he retraced Mordenkainen's steps afterwards and could not believe Mord had thought to look for a secret door in that corner.  But as much as Tenser had wanted a Staff of Power -- and to have one first -- what had really changed the game was the influx of wealth coming back from the dungeons. Uncountable riches were coming back to the City of Greyhawk; no one had been aware that so much wealth had ever gone missing. The wealth was making people flock to the small city from all over the Flanaess.

More importantly, a lot of that wealth had fallen into the hands of Mordenkainen, Robilar, and Tenser, in about that order. Mordenkainen was the first to use those funds to start constructing a fortified castle, to the west, and then Robilar followed suite, constructing his castle to the south. Tenser felt obligated to do the same, having one built to the east -- though he was not quite sure what to use it for, other than to guard the money he had not already spent on the castle...