A legendary mermaid with emerald hair and gleaming aquamarine scales detailed with fluid shapes in the scales,, some oceanic background waves very mystical,, art Grapheme-Shape Synesthesia,, a captivating composition for ht,, in the style of Walt Kelly illustrations,, 800x800 resolution,, depicting the creature's magical aura,, exquisite Extraterrestrial illustration,, theme: serenity --q 2 --s 750 --ar 2:3