Minecraft Dungeons:Conduit

The Conduit is an new artifact in Minecraft Dungeons that will become available with the Hidden Depths DLC. It appears in the official artwork.

Usage
Based on the datamined description, it will protect players from drowning and damage certain mobs possibly in a similar manner to the Totem of Shielding or Totem of Regeneration. It also has a unique property where it can damage certain aquatic mobs. Other than this, not much else is known about it.