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This page describes content that is a part of the Hidden Depths DLC.
The bubble column.
Bubble Columns are new underwater structures that will appear in the Ocean DLC.They appear in two official twitter videos[1][2] along with a Drowned holding a Trident in the first, and a Coral Skeleton and Tropical Slime in the second.
References
Gallery
A still image of the Bubble Column.
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