Anime summoner calling a colossal sea serpent

A masterpiece, extremely detailed premium anime portrayal of a "Abyssal Leviathan Summoning," captured in a (medium shot:1.3) from a (commanding low-angle perspective:1.3). The scene is overwhelmed by (intense, shimmering turquoise water-energy and suffocating deep-sea shadows:1.4) erupting from a glowing floor-seal. She is mid-action, her tattered robes soaked and hair billowing in the (hydro-pressure:1.3), as a (massive, bioluminescent sea-serpent with glowing fins and obsidian scales:1.4) rises behind her like a wall. Her silhouette is defined by a (sharp cyan rim light:1.3) against a background of a flooded ancient hall. Best quality, ultra highres, vibrant saturated colors, visceral impact.

(nsfw:0.7), (worst quality:1.5), (low quality:1.5), (normal quality:1.5), lowres,watermark, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, jpeg artifacts, signature, username, blurry, artist name