You can look it up for yourself. On top there is a map. On the map in the bottom left corner there is a globe. Click that globe it will take you to the node map. There you will see nodes and towns. On the bottom you will see tab that says ,Monsters. Once you click that tab it will show the monsters to hunt and once you click on monsters it will show the loot they drop. Calpheon,Ber town seems the place ,around Heks witches soldiers. GG.
Greetings Adventurer!
For me the best site for farming is the hidden monastery you can get an orange ring there that you can sell in the market for 5k-8k black pearls depending on what server you play. Thank you!