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|AI Type||Dreadnautilis AI|
- Internal NPC ID: 618
- It will spin around the player for about ~3 seconds
- It is recommended to have a arena set up with platforms for battling Dreadnautilus.
- Cannot be fought if a biome takes priority over the Ocean (A Graveyard, for example)
- It resembles a chambered nautilus.
- Its name is a combination of the word "dread", "dreadnought" (a type of ship), and "nautilus".
- Desktop 18.104.22.168: Introduced.