A cinematic fantasy anime illustration featuring a dynamic medium shot from a side angle, depicting a cool black-haired woman engaged in a fierce clash with a divine water dragon avatar. The woman, with a stoic expression, wears a vermilion kimono draped loosely from her shoulders to her chest; the garment's hem naturally parts to reveal her healthy, supple thighs as she lunges forward. She grips a tachi sword with both hands, locked in a powerful blade-clash (tsuba-zeriai) against the dragon's liquid form. The divine avatar, composed entirely of shimmering, translucent celestial water, coils its massive body around the scene, its claws and maw meeting the woman's blade in a spray of crystalline droplets. The battle takes place in a mystical void where water splashes and ripples distort the air. The lighting is dramatic and cinematic, with high contrast and luminous highlights reflecting off the water and the vivid red of the kimono. The atmosphere is epic and intense, characterized by fluid motion, floating water particles, and a saturated color palette of deep crimson and ethereal cerulean.