Minecraft Dungeons:Bubble Column



Bubble Columns are new underwater structures that will appear in the Hidden Depths DLC. They appeared in three official Twitter videos  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. It is unknown how long the effect lasts.