[Adventure Log] Complete Old Moon Logs Vol. 1 (Book of Margahan Vol. 1)

Did you know that you can consume Agris Fever points to get the Item Drop Amount +100% buff which effects how much junk items you get? If you complete the Old Moon Logs Vol. 1 (Book of Margahan Vol. 1), you can also increase the maximum number of Agris Fever points. Start by completing the [Adventure Log] Old Moon Logs quest acceptable via the Black Spirit from Lv. 58, who will then grant you the Old Moon Logs Vol. 1 (Book of Margahan Vol. 1).
Once you get the Adventure Log, you can see your progress in the Adventure Log Bookshelf.