subterranean cave filled with glowing blue water. light rays illuminate ice formations. serene, enchanting aquatic environment.

fantasy underwater cave blue glowing water light ray ice formation nature surreal environment magical adventure deep sea exploration mystery art glow illumination aquatic crystal dark abyss aethereal mystical submerged subterranean marin luminescence enchanting cavern hidden calmness fantastical phosphorescent bioluminescence serene illustration ocean scenery formations rays