Prompt code:
An enthralling dark fantasy illustration of Marvel's Black Widow transformed into a terrifying Lovecraftian fish creature. The once-human character now has a grotesque, elongated fish-like body with razor-sharp teeth, and a multitude of tentacles. She hovers in the eerie, dark-blue waters, her eyes glowing with a sinister red light. The background reveals a haunting, stormy night with lightning bolts illuminating the gloomy sky., dark fantasy, illustration
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