They are used solely to craft 海龟盔甲. Crafting all pieces requires a total of 3 Turtle Shells.
- Despite it being a 海龟 Shell, it is dropped by the Giant Tortoise. The only turtles in the game are the 宠物海龟 and the 海龟坐骑.
- Even though it has a higher chance of being dropped than the 牛黄, it doesn't drop quite as frequently, which is due to the Giant Tortoise's low spawnrate.