I heared about the Underground. It can be dangerous for the people in the surface. You can get Dark Essences from the most powerful monster of the first floor. The Underground is thanatos.

Reward

• trending_up Experience 666
• paid Coins 0 RC
• military_tech Class points 0

Requirement

• Required Level 1
• Energy cost 10
• VIP Only No
• One-time Quest No
• Party Required (4 players) No