Siren of Hazy Maze Cave

The Siren of Hazy Maze Cave is the name of an entity and its associated phenomena that appears in the level Hazy Maze Cave. The entity itself is rare, though evidence of its existence can be found in several copies. The reason for this is unknown.

Behavior
The Siren of Hazy Maze Cave's manifestations most commonly appear as small details throughout Hazy Mazy Cave, that may go unnoticed to some. These manifestations can appear as: human-like singing heard somewhere in the level, sudden splashing in the water, and signs containing text that mentions the Siren or an entity similar to the Siren. There are potentially other signs that have not been documented.

There are only a few reports of the Siren itself appearing, making it's behaviors when it appears mysterious. The most common appearance of it is a broken model with glitched textures that disappears soon after being spotted, usually after being approached. Some people also report that they started slowly losing health after seeing the Siren.

Theorizing
Due to the strange damaging properties and environmental occurrences of the Siren of Hazy Maze Cave, some theorize that it was a scrapped boss or element in the level. Others propose that the Siren is an entity created entirely by the Personalization A.I., explaining it's glitchy appearance.