mob
   proc
       Level()
         if(src.Exp >= src.Maxexp)
             src.exp = 0//change the exp back to zero so they can level up the next time
             src.maxexp * 2//you might want to increase their maxexp so they wont get quick level ups everytime
             src.level += 1//increase their level
             src.statpoints+=5//give them 5 statpoints

mob
   proc
       Raise_Stats()
           if(src.stapoints >= 1)//check to see if they have any statpoints
               switch(input("Which stat to raise?") in list ("hp","str","def"))//gives them a list of stats to raise
                   if("hp")
                       src.maxhp+= 5//gives them 5 more maxhp
                       src.Raise_Stats()//runs the proc again. Because of the if at the top, if they don't have statpoints, the proc will end
           else
                src << "You don't have any statpoints!"