8k, Abyssal Stalker, deep ocean, shadowy figure, tentacle-like limbs, glowing green veins, eerie phosphorescence, terrifying presence, isolated darkness, maritime horror, urban setting, emerging from sewers, sinister eyes, spreading fear, lurking in darkness, horror in the city, haunted shipwreck, decaying wood, eerie silence, underwater terror, ghostly presence, shadowy figure, abandoned lighthouse, stormy night, flickering light, eerie isolation, unseen terror, thick fog, shadowy silhouette, chilling presence, creeping dread, fear of the unknown