Here is a level 60 quest guide for players , it is called The research of the biologist 4 . if you are about to play this level , please read the following information maybe helpful for you .

1. Quest Starter: This Quest appears automatically. 

2. Needed Quests : The research of the biologist 3 

3. Needed Items:  Aurtumryus soul stone and 20x Ice Marbles

4. Short description:

1) Go to Biologist Chaegirab

2) Kill Ice Golems and Ice men, until you collect  20 Ice Marbles

3) Go to Biologist Chaegirab deliver the Ice Marbles (1 each day)

4) Kill ice golems, ice killer whales, ice lions and Ice Men, until you get  Aurtumryus soul stone

5) Return to Biologist Chaegirab

6) Go to Baek-Go
 
5. Reward : +50 Attack value (permanent) ; The light Green wood box 

Thank you for reading and enjoy yourself !