Draw the eye and eyebrow with short curved lines. Use short straight lines for the nose. Add two short squiggles for the sides of the mouth. Sketch the headband with a dark straight line as shown. Draw a half-circle underneath for the patch.
Use a long V-shape for the neckline and long U-shapes for the full sleeves. Draw two curved lines for the cuffs on the sleeves. Add a few curved lines near the arms and under the chin.
Draw a rounded shape for the sword grip and two long curved lines that join at the bottom for the blade. Use curved lines for the cuffs on the boots. Give the legs shape with long straight lines.