Faerun's Spellplague: My Way
A sentient flesh crafted golem.
Jigsaw is a construct made of 26 different human bodyparts. The original intent of his creator was to create a living body for him to possess and thus gain immortality without giving up the pleasures of the flesh a lich is denied.
The experiment went wrong, and the construct gained sentience.
He went on a quest to find the 26 soul gems that held the souls of the various people that made up his anatomy. Given the remaining gems by Jager, the Kobold sorcerer, Jigsaw went off to find his old master, and the last soulgem.