Gathering of Tweakers

Level 1 - Beginner Quest
NPC: General SONHEYON(near the west gate)
Step 1: Visit JANGBUIN the protector merchant/go back talk to SONHEYON
Step 2: Visit JINJIN owner of the general shop, equip what she give you, then talk to her again/go back talk to SONHEYON
Step 3: Visit YANGIKJI the herbalist shop owner/buy a hp herb from him/go back talk to SONHEYON
Step 4: Kill 30 Mangyangs/go back talk to SONHEYON
Reward: newbie gears/HP recovery

Level 3 - Weapon Dealer
NPC: Blacksmith CHEOLHYEON
Step 1: Talk to JINGYEON(he guard the south gate)
Step 2: Go back and talk to CHEOLHYEON
Reward: 225 exp, 205 golds

Level 3 - Lost Child
NPC: Village Chief(he in the rich village north entrance)
Step 1: Kill Small-Eye/Big-Eye monsters, once it drop "Child Shoes" go back and give it to the Village Chief.
Reward: 375 exp, 475 golds

Level 3 - Kill Weasels
NPC: IYANG(he guard the east gate)
Step 1: Kill 40 Old Weasel/Weasel, there a lot of them outside of east gate, return to him once you complete.
Reward: 1900 exp, 1000 gold

Level 5 - Yangikji Anxiety
NPC: YANGIKJI herbalist shop owner
Step 1: Kill 50 Water ghost/water ghost slaves, they are a little north of west gate, return to YANGIKJI once you complete.
Reward: 3800 exp, hp recovery

Level 6 - Water ghost poison(complete Yangikji Anxiety to unlock)
NPC: YANGIKJI herbalist shop owner
Step 1: Kill water ghost or water ghost slaves to obtain the poison, return to YANGIKJI once you get 20 of it.
Reward: 6600 exp, 4000 sp, mp recovery

Level 7 - Sweeping Stone Ghost
NPC: SANGGWANNAM(he guard the east gate)
Step 1: Kill 40 Stone ghost/broken stone ghost. You can find them at Chin's Tomb or Tomb. Return to him once you complete.
Reward: 4500 exp, 2000 gold

Level 7 - Clear Biseokgwi
NPC: JEONGHYE(he in the court of Jaeun Temple)
Step 1: Collects all the stone pieces(check quest log for update). Return to JEONGHYE for rewards.
Reward: 10500 exp, 3800 gold and a Lvl10 horse scroll.

Level 8 - Tree Spirit
NPC: MYOSORYEONG(excorist house)
Step 1: Kill Decayed Yeoha/Yeoha they drop "Yeoha Black Blood" get 30 of those and return to MYOSORYEONG for reward.
Reward: A Lvl-10 weapon of your class

Level 9 - Adventurer's Stone
NPC: Flora(at the Specilities Shop)
Step 1: Kill Stone Ghost to obtain "Adventurer's Stone" collect 20 and return to Flora for reward.
Reward: 5000 exp, 3500 gold, 1 Adventure Shift Scroll
Note: If you still have Sweeping Stone Ghost quest, Stone Ghost won't drop "Adventurer's Stone" until you finish

Level 10 - Purification Ground
NPC: MYOSORYEONG(excorist house)
Step 1: Deliver the "Yeoha Black Blood" to Indian Buddhist Monk KUSHYAN.
Step 2: Go back talk to MYOSORYEONG and recieve your reward.
Reward: 12700 exp, 4500 sp and 4000 gold

Level 10 - Sweeping Bandit Archer
NPC: JUHO
Step 1: Kill 50 Bandit Archer and return to JUHO for reward
Reward: 9500 exp, mp recovery

Level 11 - Bandit Operation Map(finish Sweeping Bandit Archer unlock)
NPC: JUHO
Step 1: Kill Bandit Archer, they drop Operation Map, get 20 of those and return to JUHO for your reward
Reward: 28000 exp, 5500 sp, hp recovery

Level 13 - Sweeping Bandit(complete Sweeping Bandit Archer to unlock)
NPC: Guild Master
Step 1: Kill 50 Bandits/Bandit subordinates to complete the quest.
Reward: 14500 exp, hp recovery

Level 13 - Tiger Grinding Tooth:
NPC: JODAESAN(specilities shop)
Step 1: Hunter Tiger, they drop "Molar Teeth" collect 10 of those and return to JODAESAN for reward.
Reward: 15300 exp, 5000 sp and 4000 gold

Level 13 - Tiger Hunting Competition(you can do this quest 3 times)
NPC: General SONHEYON
First time: Kill 1 Tiger champion, 20 Tigers and 20 Young Tigers.
Once you complete go back and get reward
Second time: Kill 3 Tigers champion, 30 Tigers and 30 Young Tigers
Once you complete go back and get reward
Third time: Kill 5 Tigers champion, 40 Tigers and 40 Young Tigers
Reward: Total 33000 exp, 9550 exp, 3600 gold, 1 Tiger Volient Scroll and Hp recovery potions.

Level 15 - Cheolhyeon Anger
NPC: CHEOLHYEON the blacksmith
Step 1: Kill 200 Bandit Bowman, return to him once you complete.
Reward: 26500 exp, 10000 sp and 1 transexual item transform

Level 16 - Stolen Sword
NPC: GWAKI(Hunter Guild)
Step 1: Go to Bijeokodan Mountain Stronghold and kill Bandit, the "Stolen Sword" may drop on your first bandit or it may take you forever to get, so be patient. Took me 2 hours.
Reward: 18800 exp, 5000 gold and 3600 sp(Thank Amasuka)

Level 17 - Herb Delivery
NPC: YANGIJKI(herbalist shop)
Step 1: You have to travel to the Chinese West Ferry.
Reward: 14400 experience, 3600 skill experience and 3800 GP

For the Yangijki Request:
Step 1: Travel to the East Ferry
Step 2: Travel to the West Ferry
Reward: 18000 experience, 4500 skill experience and 125 Small Mana potions (+220 mp)(Thank Ghostrider)

Level 17 - Yangijki Request(complete Herb Delivery to unlock)
NPC: YANGIJKI
Step 1: Open your quest log, click on the title, open world map, go to the yellow dot on the world map. Then return to YANGIJKI for reward.
Reward: 18000xp, 4500sp, 125Mp Pots

Level 17 - Black Tiger Talon(complete "Adventure Stone" to unlock)
NPC: Flora(specilities shop)
Step 1: Hunt Black Tiger, they drop "Black Tiger Claw" return to Flora once you get 60 of those.
Reward: 60000 exp, 15000 sp and 15700 gold

Level 18 - White Tiger Skin(3 times repeatable)
NPC: JODAESAN(specilities shop)
First time: Hunt White Tigers, they drop "White Tiger Skin" collect 100 of those and return to JODAESAN for reward
Second time: Same as above
Third time: Get 200 White Tiger Skin(84600 exp, 20k sp and 1 Tiger Strenght scroll, 20% dmg aborstion for 1 hour)
Reward: Total 84600 exp, 20000 sp, 10900 gold

Level 19 - Folk Remedy
NPC: CHAU(ticket ferryman western)
Step 1: Kill Chakji/Chakji Worker, they drop "Chakji Eye's" collect 100 of those and return to CHAU.
Reward: 112000 exp, 28500 gold, 25000 sp

Level 19 - Ghost Bug Eggs
NPC: Doctor BORI of Donwhang
Step 1: Kill Ghost bug/Devil bug, they drop Bug Eggs, collect 10 of those and return to BORI for reward.
Reward: 14800 exp, 3800 gold

Level 20 - Chakji Hunting
NPC: HAGEUK(Seoyeok ferryman western)
Step 1: Kill 600 Chajki/Chajki Worker to complete.
Reward: 141000 exp, 30k sp and 1 reverse return scroll

Level 21 - http://img502.imageshack.us/img502/6674/212iq.jpg
1. Hunt 60 Hyungno Ghosts.
2. Get 100 Devil Bug wings.

Level 23 - http://img502.imageshack.us/img502/4342/236bw.jpg
1. Hunt 60 Demon Horses.
2. Get 50 Demon/Devil Horse horseshues.
3. Get 200 Hyungno Soldier flags.
4. Get 200 Hyungno Ghost flags.

Level 24 -http://img502.imageshack.us/img502/5552/240oe.jpg
1. Take that letter to Sonhyeon(1st city).

Level 26 - http://img502.imageshack.us/img502/2756/261xo.jpg
1. Get 15 Gun Powder bombs.
2. Get 200 Gun Powder bombs.
3. After 1st time of 2nd quest u can take whatever she made to 1st city for some fast exp.

Level 27 - http://img502.imageshack.us/img502/6273/277do.jpg
1. Hunt 500 Earth Ghosts.

Level 28 - http://img516.imageshack.us/img516/5112/286ul.jpg
1. Hunt 30 Hyeongcheons.
2. Get 15 Earth Taoists charms.

Level 29 - http://img516.imageshack.us/img516/5547/291zs.jpg
1. Get 100 Earth Taoist/Magician charms. U have to right-click to devide them into bad and rare ones.
2. Get 200 Earth Taoist/Magician charms.(double exp/sp amount + scroll)

Level 32 - http://img516.imageshack.us/img516/5563/328cp.jpg
1. Get 200 poisons from Scorpions. (not the black ones)
2. Get the present to JinJin(1st city).
3. Talk with JinJin(yes, 2nd time), then get back to Leegeuk with his present.

Level 33 - http://img300.imageshack.us/img300/8247/336pa.jpg
1. Get the ring from (Blood)Ongs.
2. Hunt 1000 Blood Devil/Death Flowers.

Level 34 - http://img516.imageshack.us/img516/1378/349kl.jpg
1. Get 200 jewels from Robbers.

Level 35 - http://img508.imageshack.us/img508/4356/354sc.jpg
1. U have to start with 7th quest here to get Asa's Flute, then its just talking with Wangwon in Gambling House. (1st city)
2. Get:
- 100 Hyungcheon powders.
- 100 Ong feelers.
- 100 Small Red Scorpion legs.
3. Get:
- 100 Earth Magician eyebrows.
- 100 Blood Death Flowers leafs.
- 100 Red Scorpion legs.
4.Just talk with Wangwon.
5.Talk with Huhoan, use wine/champagne/whisky only. When he says he wants more, ask about that book, and exchange it for the flute.(nice sp reward)
6.Get 300 Yeowas scales.
7.Talk with Salmai to get Asa's Flute.

Level 36 - http://img508.imageshack.us/img508/7348/367yh.jpg
1.Get 100 expensive jewels from Black Robber Archers.

Level 37 - http://img508.imageshack.us/img508/8273/376jv.jpg
1.Get 200 bows from Black Robber Bowmans. (Seems bugged, should be ~200k exp for 1st and 2nd time, and ~500k for 3rd, but instead gives ~500k every time.)

Level 38 - http://img385.imageshack.us/img385/4074/387gm.jpg
1.Get 20 Red Scorpion shells.

Level 39 - http://img378.imageshack.us/img378/1450/391sk.jpg
1.U have 2 hours to hunt 20 Red-eye ghost/Dark-eye ghosts.

Level 40 - http://img389.imageshack.us/img389/4176/409so.jpg
1.Get 100 hard stones from Hyeongcheons.(Not sure, but i think u have to do Dead Ravine quest first, because i tried to get stones before doing it and didnt find any for like 1h, after 1 of 2 drops them.)
2.Get 100 Agols irons from Red-eye ghost/Dark-eye ghosts.
3.Take paddles to Salmai.