Here are a list of the archery boons you can purchase with your archer quest points. The cost for boons is Tiny=1, Small=2, Medium=4, Full=8, so it takes a total of 15 quest points to get 1 boon to full.

>>======|> Archery Boons <|======<<
(note: these affect all projectile attacks, not just bow and arrow)
Adamant aim
 -- Improve your ability to maintain aim in melee
Through and through
 -- Missiles that hit might fall to the ground
Lightning draw
 -- Adds a chance to crit with a non-aimed shot
Terminal velocity
 -- Critical shots do more damage
Driller
 -- Fire shots through shields
Safe flight
 -- Missiles fired are more likely to survive
Old friend
 -- Become a better shot with bows/slings you use more often

Here is a list of the Archer Guild quests that I have found so far.

Name Description Points
Amphibian weak spots mastered Find all weak points for Amphibian monsters (frog, newt, bullywug) 1
Beastmen weak spots mastered Find all weak points for Beastman monsters (catfolk, gibberling, satyr, skaven) 1
Bird weak spots mastered Find all weak points for Bird monsters 1
Bizarre weak spots mastered Find all weak points for Bizarre monsters (beholder, chimera) 1
Blob weak spots mastered Find all weak points for Blob monsters (Electroblob, puddings, moomin) 1
Brute weak spots mastered Find all weak points for Brute monsters (giant, troll) 1
Bug weak spots mastered Find all weak points for Bug monsters (ant, preying mantis, wasp) 1
Dead weak spots mastered Find all weak points for Dead monsters (skeleton, zombie, vampire) 1
Dwarven weak spots mastered Find all weak points for Dwarven monsters (dwarf, duergar) 1
Elemental weak spots mastered Find all weak points for Elemental monsters (elemental, effriti) 1
Faerie weak spots mastered Find all weak points for Faerie monsters (elf, drow, nymph) 1
Fish weak spots mastered Find all weak points for Fish monsters (eel, ray, shark) 1
Humankind weak spots mastered Find all weak points for Human monsters 1
Humanoid weak spots mastered Find all weak points for Humanoid monsters. (orc, kobold) 1
Immortal weak spots mastered Find all weak points for Immortal monsters (demon, angel, slaad) 1
Machine weak spots mastered Find all weak points for Machine monsters. (tinmen, clockwork monsters) 1
Mammal weak spots mastered Find all weak points for Mammal monsters (outworld cow, pig, etc) 1
Monster weak spots mastered Find all weak points for Monster monsters 1
Plant weak spots mastered Find all weak points for Plant monsters (ent) 1
Reptile weak spots mastered Find all weak points for Reptile monsters (snake, drake, dragon) 1
Rodent weak spots mastered Find all weak points for Rodent monsters (rat, rabbit, chipmunk, squirrel) 1
**All races' weak spots mastered! Mastered weak points for all races 8
Arrow critical hit Score a critical hit with an arrow 1
Bolt critical hit Score a critical hit with a bolt 1
Bullet critical hit Score a critical hit with a bullet 1
Fletched Get a one-hit kill with an arrow on a bird 2
Sniper Pick off a culled target with a single arrow 2
Amazing Shot Do 1000+ damage in a single shot. 8
Full Moon Shoot a werewolf with a silver bullet 2
Goliath Shoot a giant with a sling bullet 2
Nailed Down Staple a tracking monster 2
Nessus Shoot a centaur with a poisoned arrow 3
Nice Shot Do 500+ damage in a single shot 2
Staked Shoot a vampire with a wooden bolt 2?
Throw Money at the Problem Use coins as sling ammo 2
William Tell Shoot a bolt through an apple 1

There is also a quest rumoured to be with knockdown shot to mobs who ride. Also since there is shoot a werewolf with a silver bullet, possibly there is shoot vampire with wooden arrow/bolt/bullet as well. But that one is sheer guesswork on my part. WOO, I was right! Quest added to list.


Because 'monster' race monsters are a pain to find, here is a list from my logs. Finding them will be up to you...
A horrible looking Mummy is rotting here is a monster.
A magic mouth is a monster.
A sparkling dragon is a monster.
Alligator is a monster.
Arathrua is a monster.
Arena master is a monster.
Barbed devil is a monster.
Barnum is a monster.
Bat is a monster.
Beaker is a monster.
Black minotaur is a monster.
Bloody undead nun is a monster.
Captain Groga is a monster.
Chuckles is a monster.
Clerk is a monster.
Corpse is a monster.
Dark figure is a monster.
Death knight is a monster.
Dentirion is a monster.
Dreugh is a monster.
Dried corpse is a monster.
Dwarkil is a monster.
Evil guard is a monster.
Ghast is a monster.
Ghoul is a monster.
Groll the daemon Overlord is a monster.
Group of moving limbs is a monster.
Guardian is a monster.
Huge spider skeleton is a monster.
Inheritor lich is a monster.
Kirkan is a monster.
Kunak is a monster.
Lich King is a monster.
Menacing looking guard is a monster.
Merelix is a monster.
Mummy is a monster.
Mutilated daemon is a monster.
Nasty zombie is a monster.
Navigator is a monster.
Oogga is a monster.
Orc zombie is a monster.
Paladin is a monster.
Poltergeist is a monster.
Priest is a monster.
Reddist is a monster.
Requi is a monster.
Rotten zombie is a monster.
Samanthus is a monster.
Serpentine skeleton is a monster.
Shade is a monster.
Sing is a monster.
Skeleton is a monster.
Skeleton warrior is a monster.
Skeleton, hunting for food is a monster.
Slime monster is a monster.
Statue of Zonni is a monster.
Three headed hound is a monster.
Tiny bogy is a monster.
Undead dog is a monster.
Undead guard is a monster.
Undead is a monster.
Undead nun is a monster.
Vampire mistress is a monster.
Weaponsmith is a monster.
Wight is a monster.
Witch-king is a monster.
Yeshom is a monster.
Zombie is a monster.
Zombie-cop is a monster.
Zyaq Qzendai is a monster.