蓝洞 is a Scenic Viewpoint in 异度神剑X. It is located in 忘却溪谷, under the 伊比苏阿沙漠 and reachable from 第313区FN点.
As with all Scenic Viewpoints, its discovery yields an achievement ("The Deep Trench of Azure Lagoon").
敌人
Minor 敌人
Mission-Exclusive 敌人
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