Originally Posted by
EveK
It's also worth noting that getting "too much EXP" is not really ever a problem. It may result in less efficiency as you do a lower-level quest and don't get EXP for killing its field monsters, but you will always be able to do lower-level content anyway. You'll never be in a situation where you can no longer do a lower-level dungeon, for instance, because you're already past its level. Again, it may not be particularly efficient as the drops you receive from there will still be for the lower level, but even those have additional usage (alternate classes, crafting, expert delivery, glamour, money).