Create a powerful and emotive portrait of a woman as she leads a group of human rebels in the fight against the alien invasion. Use advanced photography and image editing techniques to realistically capture her expression and posture, and play with light and shadow to add depth and drama to the image. Incorporate elements of the battlefield, such as debris and destruction, to add context and visual interest to the image. Make sure the image has high resolution and impeccable image quality to ensure a very realistic and dynamic appearance.