If I unknowingly DECAPITATED my wife and was then manipulated into killing and killing some more and then having to kill the spirits of the founders of my holy organization through killing their dark halves, in order to obtain pieces of a device to bring my wife back, and then it turns out I was being manipulated by one of my close allies, who was also the one who made me kill my wife, and get killed by him, and then discover that The device was never actually able to bring back the dead, and then discover that in that whole quest, through killing the 3 founders and their dark halves, that I have unleashed an unstoppable demon that they had imprisoned long ago...
PHEW, Id be pretty fucked up too.