What is a UPC?
A Unique player character, is an additional character for your familly, obtained in quests, or buying them. UPC's utilise all kinds of weaponry, including siege cannon and shotguns, or a combination of the abilities of the above basic classes. Though, certain skills of an NPC character can't be used by a character that the player has created.

Character page - This page covers all the Unique Player Characters, if you want to add information of a UPC that's not in the list just add it.

Stances:

Stances - Some UPC's have unique stances, only for them and the normal classes have unique stances also. Here's the list and information.