The Water Margin
A crazed psion who wields Stygian powers and a strange obsidian-tipped lance.
Aygval was originally from Nibenay, but while traveling the wastes he stumbled near Giustenal and claims that he was contacted by the ghost of Dregoth, the dead sorcerer-king of that city. As proof, he wields the Stygian lance, a powerful psionic weapon that he says was gifted to him by that sorcerer-king. With the power of the lance, Aygval was able to raise and command large hordes of undead.
Aygval presumably died after he was defeated by an adventuring group outside of Nibenay, tied up, and left behind for the tender mercies of a wandering belgoi.