I know this isn't how we are supposed to play, but I'm a troublemaker. Out of curiosity, I tried the game with each character but instead of finishing the game, once I reached Korax I would "warp 01" and restart the game with the existing character. I found the fighter wil keep getting stronger and stronger (three punches to kill a Heresiarch currently), the mage can keep improving his efficiency (will he ever get to the point where the Wraithverge uses no mana?), but the cleric stalls out with stats at 60/40/20. No metter how many skill points the cleric accumulates, they can't be assigned to anything once he's reached that level.