striking portrait of a Cryoquatic, a bioluminescent, jellyfish- like warrior equipped with advanced weaponry and wearing sleek, armored attire. The armor features a blend of organic and mechanical elements, resembling a combination of traditional jellyfish features and high- tech design, with translucent panels that glow softly in shades of blue and purple. The Cryoquatic holds a futuristic energy weapon that emits a gentle luminescent glow, reflecting its bioluminescent nature. In the background, depict the floating metal city, inspired by jellyfish structures, suspended gracefully in the water. The city’s architecture should showcase intricate metalwork and bioluminescent accents, with no visible land or sea bottom, emphasizing the vast oceanic expanse of Europa. The icy surface above filters light into the scene, creating an otherworldly atmosphere. The overall composition conveys a sense of strength and adaptability, illustrating the Cryoquatic's role as a guardian of their aquatic realm in this alien world