Wouldnt it be cool if this was a feature? You play over 200 hours building up your character. You've beaten the main story and all quests you wanted and Now you finally want to play as another character and start a new game. Would it be cool if your character from the last game was saved and ended up as an NPC/Mini Boss(Sorta Like Umbra) in your next playthrough with existing level and your equipment set from your playthrough. Anyone think this would be a cool feature besides me?
Yes. I like that idea as well.
Perhaps the character is retired & just a wealthy NPC in a town somewhere. Could make for a good mod, although the player would have to tell the mod at some point that their latest save file is to be made into an NPC, before they start over.
Many of the Rogue-like games do something like this. When a character dies, their "ghost" is saved and can be encountered as a monster by future players. Those ghosts are rather difficult, as they have all your spells etc.