How does DNF open the mechanical cow diagram?

Level 47 can open the map after completing the main task.

Task: Test your luck NPC: Pottery task requirements: 30,000 gold coins and 3 [big red crystals] for pottery pots of Alvin defense line above level 47. Task reward: the test of fate

Task: Pottery Doll NPC: Pottery Doll Task Requirements: Level 47 or above, hand over the [Pottery Doll] extracted from the luck test to the pot. Task reward: 100000 Experience Book, Destiny Gold Coin x30, Sharp Eye Drops x20, Speed Stone x3.

Task: suspicious person NPC: pottery pot task requirements: level 47 or above, tell Hutton Mar about the investigation results. Boken task reward: 2000 gold coins.

Boken's thanks to Boken (Hutton Mar) for passing Boken's dialogue to the pottery pots of Alvin defense line above level 47. 2500 gold coins

Mission: Investigate Billmark Imperial Test Site NPC: Earth Tank Mission Requirements: Pass Roland's "Billmark Imperial Test Site" 1 time. Task Award: 100000 Experience Book x2

Task: Imperial Experiment NPC: Clay Pot Task Requirements: Collect 10 [Soul Crystals] and 30 [Little Black Crystals] of Grade 47 or above and give them to Norton for help in making [Immune Capsules]. Task reward: immune capsule

In the future, you will need 30 small black crystals and 10 soul spar if you don't enter the Niutu.

Then go to Norton's store to change capsules. With the capsule, you can enter the map of cattle people.