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 Silk Road 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: 28200 exp 10000 sp 8300 Silk Road Gold

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