Aquatic Depths

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Aquatic depths banner.png

The Aquatic Depths is an underground biome completely filled with water. It is found underneath the Ocean biome's sandy floor, opposite of the dungeon. The player can enter the Aquatic Depths through a huge gap in the sand.

The biome features its own unique tiles, backdrops, enemies, loot and music. Certain ambient objects found in the biome can be broken to release bubbles that briefly allow players that touch them to breathe underwater. Platforms that elevate Depth Chests can randomly be found within the pockets of open water within the biome; they contain their own assortment of unique loot.

In addition to containing many veins of Mossy Gold or Mossy Platinum Ore, the Aquatic Depths also contains a unique ore, Aquaite, and a unique gem, Pearls, that are both used in several water-related items. It also contains pockets of Brackish Clumps, which can be extractinated similarly to Silt and Slush.

While in the Aquatic Depths, players will receive a Choking Aura debuff, which makes them lose health over time if they are exposed to air. This debuff will be replaced with the Untainted Waters buff if Abyssion, The Forgotten One has been defeated at least once in that world, making the waters of the biome breathable and the air non-toxic.

Content[edit | edit source]

Aquatic Depths
Characters Unique Treasures Unique Drops
Man o' War.png Man o' War
Sharp Tooth.png Sharp Tooth
Barracuda.png Barracuda
Hammerhead.png Hammerhead
Giga Clam.png Giga Clam
Octopus.png Octopus
Globee.png Globee
Moray.png Moray

During Hardmode:

Feeding Frenzy.png Feeding Frenzy
Vampire Squid.png Vampire Squid
Crown of Thorns.png Crown of Thorns
Kraken.png Kraken
Volt Eel.png Volt Eel
Blobfish.png Blobfish
Putrid Serpent.png Putrid Serpent
Submerged Mimic.png Submerged Mimic
The Whale.png The Whale

Hardmode post-Plantera:

Aquatic Hallucination.png Aquatic Hallucination
Abyssion, The Forgotten One.png Abyssion, The Forgotten One

From Depth Chests:

Magic Conch.png Magic Conch
Sea Turtle's Mystical Bulwark.png Sea Turtle's Mystical Bulwark
Agnor's Bowl.png Agnor's Bowl
Rain Stone.png Rain Stone
Aquamarine Wineglass.png Aquamarine Wineglass
Marine Kelp.png Marine Kelp
Marine Kelp Seeds.png Marine Kelp Seeds
Spring Water.png Spring Water


Man o' War Banner.png Man o' War
Sharp Tooth Banner.png Sharp Tooth
Barracuda Banner.png Barracuda
Hammerhead Banner.png Hammerhead
Giga Clam Banner.png Giga Clam
Octopus Banner.png Octopus
Moray Banner.png Moray
Feeding Frenzy Banner.png Feeding Frenzy
Vampire Squid Banner.png Vampire Squid
Crown of Thorns Banner.png Crown of Thorns
Mysterious Banner.png Aquatic Hallucination
Kraken Banner.png Kraken
Volt Eel Banner.png Volt Eel
Blobfish Banner.png Blobfish
Putrid Serpent Banner.png Putrid Serpent

From Octopuses & Man o' Wars:

Sea Ninja-Star.png Sea Ninja-Star

From Hammerheads:

Cartilaged Catcher.png Cartilaged Catcher

From Sharp Tooths, Hammerheads & Barracudas:

Depth Scales.png Depth Scales
Golden Scale.png Golden Scale

From Globees:

Deeplight Esca.png Deeplight Esca

From Giga Clams:

Pearl.png Pearl

From Crowns of Thorns:

Spiny Shell.png Spiny Shell

From Krakens:

Leviathan.png Leviathan

From Crowns of Thorns and Krakens:

Brackish Clump.png Brackish Clump

From Blobfish, Feeding Frenzies, Crowns of Thorns, Krakens, Putrid Serpents & Vampire Squids:

Abyssal Chitin.png Abyssal Chitin

From Volt Eels:

Volt Tomahawk.png Volt Tomahawk

From Submerged Mimics:

Poseidon's Charge.png Poseidon's Charge
S. S. Devastator.png S. S. Devastator
Hydromancer's Catalyst.png Hydromancer's Catalyst
Neptune's Grasp.png Neptune's Grasp

From terrain:

Aquaite.png Aquaite
Depth Chest.png Depth Chest
Marine Rock.png Marine Rock
Mossy Marine Rock.png Mossy Marine Rock
Brackish Clump.png Brackish Clump
Pearl.png Pearl
Marine Kelp.png Marine Kelp
Marine Kelp Seeds.png Marine Kelp Seeds
Water Chestnut.png Water Chestnut

Notes[edit | edit source]

  • Water in this biome takes on a very deep, dark blue color, but the difference is somewhat hard to see due to the background wall.
  • Upon defeating Plantera for the first time in a world, a status message, "Something stirs in the Aquatic Depths..." will be displayed, notifying the player that Aquatic Hallucinations now spawn in the Aquatic Depths and therefore Abyssion, The Forgotten One can now be summoned.
  • This biome cannot be artificially created, as the background wall tiles cannot be gathered.

Tips[edit | edit source]

  • Players exploring the Aquatic Depths run the risk of drowning if not equipped with the right equipment. To avoid drowning, bring items that aid in breathing underwater, such as the Gills Potion, the Golden Scale or Ocean Armor.

History[edit | edit source]

Surface Layers Desert • Floating Island • Ocean • Snow • Surface • The Corruption • The Crimson • The Hallow
Underground Layers Aquatic Depths • Cavern • Underground Desert • Underground Hallow • Underground Jungle • Underground Snow • The Underworld
Special Biomes Bee Hive • Dungeon • Granite Cave • Lihzahrd Temple • Marble Cave • Meteorite • Mushroom Biome • Spider Nest
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