Green Jellyfish are the strongest variety of jellyfish, and are only found on hardmode worlds. They are usually encountered in pools of water scattered throughout the world, found commonly below surface level.
- The light given off by the Green Jellyfish is comparable to that of a Glowstick.
- The Green Jellyfish remains non hostile until the player enters water, at which point it will become hostile.
- When a Green Jellyfish is removed from water, it becomes immobile but does not die.
- in Expert Mode, all jellyfish gain an "electric shock" attack during which they can only travel in one direction, but are immune to attack and deal increased damage to the player.
- Added to the game.
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