a photorealistic image of a vial filled with a swirling, luminous green poison, bubbling and glowing ominously from within. The vial is shaped like a twisted serpent, with the serpent's head forming the stopper, its eyes glowing red. The poison inside appears alive, with tendrils of energy flickering through the liquid. The vial's glass is ancient and smoky, adorned with intricate silver filigree and glowing runes. The scene is set against a dark, shadowy background, highlighting the vial's sinister, glowing contents. 4K, highly detailed, eerie and captivating