"Something Fishy" - a Celtic-world campaign. "Iasc" is set in a small Celtic kingdom that can be fit into any medieval/fantasy campaign. The PCs need not be Celts. The likelihood of combat is very high, and the party is recommended to host several warriors.
a baron recruits the party to find a set of magical swords as well as explore a mine shaft that connects to the under dark
A Planescape adventure for 4-7 PCs of levels 9-12 (about 60 total levels). While the module begins in the planar city of Sigil, most of the action takes place in Vudra, a layer of the Abyss. The PCs start in Sigil, tasked to find a vanished brother, and the trail leads to Vudra where the layers demonic ruler gathers magical blades for a terrible vengeance plot. Pgs. 32-58