I simply love dungeons, handled correctly they are better than the Fruit Flavoured God of Awesomeness!
The heroes storm the Temple of R’gu, the God From The Stars, to steal the Ruby of the Winged Master
The Great King long ago ceased attempting to police the wastelands of his Border Marches, and these debatable lands fell into the hands of petty counts, retired generals, and warlords, who constructed and then abandoned many keeps ripe for plunder.
The Repository of the victorious dead…
The spellbook of a long dead wizard that has gained the ability to read itself and cast spells from itself. If could be amazingly powerful as an ally, or use its magic to manipulate and rule a kingdom.