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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 appeared in the Hidden Depths DLC that act as oxygen refill stations. They appeared in three official Twitter videos[1][2][3] along with a Drowned holding a Trident in the first, and a Sunken Skeleton and Tropical Slime in the second.
Usage
Bubble columns are used for players to revitalize oxygen to allow them to progress further in the underwater levels, granting them Water Breathing and instant oxygen.
References
Gallery
A still image of the Bubble Column.
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