1-shoot an apple off a newbies head
2-assassinate the king(find a special arrow/bolt/bullet, and kill a certain
king)
3-kill a werewolf with a silver bullet
4-max location of weakpoints on 25% of the mobs,50%, 75%, and 100%
5-slay an ice dragon with a fire arrow/fire drake with an ice arrow
benefits could be things like faster scrounge time, tiny reduction on ep cost
of an archer skill, a batch of uber ammo that you can refill once a week,
greater chance of offskill not causing aggro, etc