A full character turnaround sheet of an abyssal ocean witch queen, terrifying深海priestess transformed by ancient sea pressure into a humanoid-deep sea creature hybrid with translucent obsidian skin showing glowing bioluminescent veins, massive flowing tentacle hair like living coral reef swaying underwater, eyes like sunken lanterns emitting pale ghostly light, wearing a dress of woven深海ghostwhale bones and phosphorescent jellyfish silk, clutching a trident of petrified ancient whale spine with glowing runic inscriptions, dramatic abyssal darkness backlighting with rays of filtered sunlight piercing through water surface above, deep midnight teal electric purple abyssal black and phosphorescent cyan color palette, Painterly digital art style, concept art for video game, front and back view with deep sea creature details