A 4-panel educational comic book page in a clean, colorful European graphic novel style for middle school history, crisp ink lines, expressive characters, no text bubbles.
Panel 1: A worried Byzantine emperor in purple robes and golden crown looking at a shrinking map inside a grand palace in Constantinople, dim lighting.
Panel 2: Disciplined Ottoman Janissary soldiers in tall white felt hats marching in formation across the Balkan hills, dramatic sky.
Panel 3: Intense medieval battle on Kosovo Field in 1389, armored Serbian knights clashing with Ottoman cavalry, dust and banners.
Panel 4: The siege of Constantinople in 1453, massive bronze cannons firing at huge stone city walls, Ottoman Sultan Mehmed II on a white horse watching in the foreground, Hagia Sophia dome in the background.
