Styx Whale

Homebrew DnD monster :
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STYX WHALE

Colossal Outsider

Alignment: Always neutral evil

Environment: Lower planes (Styx)

Organization: Solitary
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"The nebulous water of the river begins to bubble, then let emerge a monstrous fiend-like sperm whale. Its fins are similar to membranous wings, and four hooked legs flutter under its belly. At the front of its head, a vestige of a humanoid face stares at you from its dark eye sockets. Its mouth, filled with teeth as long and sharp as daggers, suddenly projects a tongue terminated by three clawed fingers. "

The evil equivalent of the Elsewhale, the Styx whale is a huge predator feeding primarily on devils, demons, yugoloths, and other creatures living near the Styx. This monstrosity is located wherever the river widens enough to accommodate it.
It crouches under the surface of the water to hunt, leaving only the upper part of its "face" protruding to observe its prey, which it harpoons using an extensible tongue. When a target of choice avoids or resists it, the whale does not hesitate to jump out of the water in an attempt to swallow it up.

A titanic clash sometimes starts between a Styx whale and one of its two rivals: the Styx dragon and the stygian linnorm. These three species hate each other and attack on sight.
The Styx whales are over a hundred feet long, for around four thousand pounds. They don't speak any language.
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