Originally Posted by Lurking Grue 
Now, dear students, you're task today is to find the funny thing in the following picture (taken right after clearing Gargath Keep, BTW). Hint: Red Mages reach level 6 at 50,000 XP. (The game's trolling me, for sure!)

Right, off to Sir Dargaard's tomb next. Loving this game!
I believe in AD&D you couldn't get any exp past your next level, you had to 'level up' (or actually in vanilla rules you had to go to a trainer and spend like a month to gain the level, but I don't know any groups that followed that rule)