The Atlantean Worm is an optional boss found within the Sunken Sea.
Summoning[]
The Atlantean Worm cannot be summoned manually. It is found traveling in a circular path around the Sunken Sea, similar to Ghorm the Devourer. Its location can be revealed on the map using an Atlantean Worm Scanner.
A Bait Pillar must be placed near the Atlantean Worm to bring it to the water's surface, allowing for it to be damaged.
Once defeated the Atlantean Worm will respawn immediately at a random point on its path.
Behavior[]
The Atlantean Worm will not attack, nor can it be attacked by, the player until it is properly summoned using a Bait Pillar.
When it surfaces after a player uses Bait Pillar, it will try to attack them with its mouth and spikes. Occasionally it charges an energetic attack that breaks into lots of little balls in a circle pattern. After its weakpoint is destroyed, it splits out a shorter Atlantean Worm, depending on the place the weakpoint was located.
Similar to Ghorm the Devourer, the Atlantean Worm will instantly destroy any object in its path (including the normally indestructible Obsidian Blocks). Any ground tiles will be replaced with sea water.
Drops[]
| Item | Amount | Chance per roll | Chance for one |
|---|---|---|---|
 Atlantean Worm Chest | 1 | 100% | |
 Atlantean Worm Heart | 1 | 100% | |
| 1 roll of the following 4 items | |||
 Atlantean Worm Sword | 1 | 25% | |
 Atlantean Worm Ring | 1 | 25% | |
 Atlantean Worm Necklace | 1 | 25% | |
 Atlantean Worm Helmet | 1 | 25% | |
| 6 rolls of the following 16 items | |||
 Ancient Gemstone | 2–3 | 18.31% | 70.28% |
 Bottom Tracer | 2–5 | 10.56% | 48.82% |
 Silver Dart | 2–5 | 7.04% | 35.48% |
 White Coralotl | 2–5 | 7.04% | 35.48% |
 Beryll Angle Fish | 2–5 | 10.56% | 48.82% |
 Jasper Angle Fish | 2–3 | 7.04% | 35.48% |
 Cosmic Form | 1 | 4.23% | 22.82% |
 Atlantean Worm Figurine | 1 | 2.82% | 15.75% |
| Atlantean Worm Sword | 1 | 2.82% | 15.75% |
 Solarite Ore | 4–5 | 16.9% | 67.07% |
| Atlantean Worm Ring | 1 | 2.82% | 15.75% |
| Atlantean Worm Necklace | 1 | 2.82% | 15.75% |
| Atlantean Worm Helmet | 1 | 2.82% | 15.75% |
| Atlantean Worm Heart | 1 | 1.41% | 8.16% |
 Scholar Satchel | 1 | 1.41% | 8.16% |
 Sun Caller | 1 | 1.41% | 8.16% |
Notes[]
- If all players die or leave the area while fighting the Atlantean Worm, it will submerge and must be brought to the surface again with a new Bait Pillar.
- In multiplayer, the Atlantean Worm gains additional health depending on the amount of players in the world. It will automatically adjust whenever a player joins or leaves the world.
Players Max health (per segment) Casual Standard Hard 1 4820 9641 14462 2 7499 15000 22500 3 9911 19824 29736 4 12164 24330 36496 5 14305 28614 42922 6 16363 32729 49094 7 18352 36708 55063 8 20285 40574 60864
Achievements[]
 | Thalassophobia • "Defeat an Atlantean Worm" (Silver • 50 G • 50 XP) Defeat the Atlantean Worm for the first time. |
Gallery[]
![Official concept art of the Atlantean Worm.[1]](/wiki/File:Atlantean_Worm_concept_art.jpg "Atlantean Worm concept art.jpg (328 KB)")
History[]
- 0.7.3.3-0f8a: Fixed a bug where the Atlantean Worm would sometimes just keep moving north.
- 0.7.0.4-fe7b:
- Fixed an issue with the Atlantean Worm getting an undefined position.
- Fixed an issue with the Atlantean Worm boss causing only the head to deal damage on impact and not any of the other segments.
- Fixed a crash and unpredictable behavior when dying to the Atlantean Worm after killing at least one segment.
- 0.7.0.2-8ce3: Fixed a bug where the Atlantean Worm would not have any segments except the head moving around.
- 0.7.0.0-2cab: Introduced.
References[]
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