Level Dr-109

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生存难度：生存難度：

等级等級 5

不安全、不稳定
精神污染
未知实体数量

Level Dr-109是Dr层群的第110层。

描述¹

Level Dr-109是一片夹杂许多漂浮在海面上的城市废墟的非欧几里得空间的海洋。该层级的时间被固定在约早上十点，天气也十分晴朗,且基本没有观测到洋流和风浪。一般流浪者切入该层级会出现在某一片特定区域的海洋或者废墟上，少数流浪者会出现在船只上。有过部分报告称他们切入时发现一侧的海面向天空倾斜……其可大概分为深海区海市和浅海区藻毯两块。

该层级带有一定精神危害，水里检测出大量脂溶性且具有挥发性的致幻物(目前成分未查明），以气体的形式从海底产生并浮出水面。成瘾性极强，能快速影响生物的神经中枢，导致精神污染、精神分裂、脑神经受损并在一个月内宣告流浪者的死期。饱和式吸收毒气的海水不可直接触碰，更可怕的是海浪后残余的海水蒸发而更随着的致幻物蒸气。使得防化服成为了探索该层级的必须品。

研究表明，该蒸汽已经逃离层级封锁，已侵入其他层级，我们正在探究毒气本质，以找到解决毒气外溢的方法。

海市

深海区海市平均深度约为120m，这里海水清澈，是大部分流浪者刚切入时的位置，曾经似乎有着较为丰富完整的生态系统和相对稳定的环境，但被未知原因破坏。只剩下深海水流冲上岸的化石和死亡的珊瑚。

其中漂浮着大量城市废墟，虽然不知道这些建筑物为何种材料所做，但十分的耐用和轻便，使得其中的建筑物可以借助一些结构浮在水面上，通过碳-14测年法对城市中其附着的炭化残留物进行分析，判断出其建造年份约在二百年前。由于其在海市中随机漂浮，导致对其定位为无效记录。这些建筑物大多与前厅的城市相似，唯独风化极为严重。切入的流浪者应当小心废墟的坍塌，以及内部设施的损坏。这里建筑物的管道中时常会残有液态痛苦，要小心管道爆裂导致的液体飞溅，严重者可能致命。不过这里仍然存有大量的食物，包括杏仁水、罐装龙肉等，甚至还有残余的皇家口粮。

层级会无规律地在某些时刻改变海市其重力大小与方向。这导致一些地方的海水会出现十分夸张的涨落。虽然通常持续时间很短且概率极低，但其破坏力无法想象：一旦有一块区域的重力发生了逆转，导致部分海水脱离，脱缰的海水便会掀起至少20m的巨大潮汐或自天空中半径至少30m上而下坠落的巨大的水球，撕碎一切沿途事物，深海区海底汹涌无常的水流和大量的废墟可没有在危言耸听。大量的废墟被水流冲走之后，多数流浪者切入的地点周围已经不存在合适的落脚点了。

藻毯

浅海区藻毯平均深度约为20m，水流平静,该区域已被大量的淤泥覆盖。该水体可见性极差，且其可见性会随着深度而降低。这些蓬松的腐殖质可能深达数尺，有些甚至掩盖了一整个废墟。水流极其诡异，在海洋的垂直面上几乎没有任何波动，但从水平面看，深层出现间歇性的微弱水流。藻毯弥漫着一股腐臭的味道，富营养化过于严重。部分区域淤积着大量的沼气，可能会发生连环爆炸，严重者可能导致该层级的再一次崩塌。致幻物浓度是深海区海市的几十倍，可以确定是致幻物的起源。但出于未知原因，在这里重力不会发生改变，火机等生火类物品在此区域都完全失效，所以并不用担心该区域的稳定性及爆炸可能性。但DOOR声称在浅海的藻毯区域发现莫名的巨大水流，正在生成一片日益变深的海沟，可能会揭示该层级过去的往事。