It is not difficult to enter the remains of the dark elves, as long as the following conditions are met.

Only characters above level 40 can enter. Players above level 40 only need to find tasks in the task list, or directly follow the second step to find NPC to lead the task.

Before opening the dungeon, you need to talk to NPC to complete the task. (The starting point of the task was collected in minet, NPC) (Task name: Dark Elf Relics).

Entry materials (small black crystal) are needed to enter the underground city, including 1 star black crystal 10 2 star black crystal 20 3 star black crystal 40 4 star black crystal 80.