What's the secret of the turtle covered in dust?

The dusty secret of "World of Warcraft" turtle suit is in the sad cave mission.

In the World of Warcraft game, the secret of the dust turtle suit can be revealed in the sad cave mission. Players need to go to the late winter fortress in Keelung Wilderness, find the illusionist seliger, and let him use seliger's divination beads in the depths of the frosty sad hole. Through this task, players can unlock the dusty secret behind the turtle suit. This task may involve a series of explorations and challenges, and players need to complete the relevant task objectives in order to finally uncover the secret of turtle clothing.