Labyrinth of the Abysses

The Labyrinth of the Abysses is a place filled with paths and ways, just like a labyrinth. This is where the Shimmering Shells live.

Description
The Labyrinth of the Abysses is scary, with only the voice of the Shimmering Shells being heard. It is purple colored, and just like the name says, it is a labyrinth full of ways, paths, rooms, doors and empty spaces. The Labyrinth of the Abysses is located under Andros' ocean.

Season 5
The Winx needs to find another clue to find the Gem of Self-Confidence, so they travelled Andros' ocean to find the Shimmering Shells in the Labyrinth of Abysses. When they arrived, it is seen that Trittanus had spread pollution, and the Shimmering Shells are releasing pollution and making illlutions. However, the Winx manage to purify it again. After that, the clams gave the Winx the new clue.