In the depths of an alien ocean a silvery biomimetic submersible reminiscent of a sleek and elegant marine creature traverses abyssal depths among pillars of pearly pillars lined with lustrous pearls and shells and crystalline growths, undersea, depth, abyss, searchlights, Pearlum, caustics, epic, grandiose, science-fiction, adventure, unknown, mystery, cinematic, dramatic angle, perfect composition, ultra detailed