Create an illustration of Galantiel's great voyage, focusing on a vast magic

Create an illustration of Galantiel's great voyage, focusing on a vast magical vessel sailing across the open sea towards the ancient continent. The scene must capture the grandeur of the ship, adorned with glowing runes and magical symbols. The sea must be turbulent, with high waves and heavy clouds, reflecting the intensity of the journey. The sky must have a dramatic coloration, with shades of gray and deep blue, and lightning occasionally illuminates the scene. Show the ship approaching Sleepy Fish Island, with the coast devastated and signs of ancient battles visible in the distance. Highlight the atmosphere of tension and adventure, with a touch of mystery in the air.