The Giant Shelly is a snail-like enemy that spawns in the Cavern Layer. Its attack consists of spinning fast and launching itself at the player, causing large amounts of damage to a new player.
- Though it is called a Giant Shelly, there is no known regular Shelly.
- Its attack is very similar to that of the Giant Tortoise and the Ice Tortoise.
- Can rarely spawn in The Underworld
- Added to the game.