A full-body depiction of a fierce female warrior, clad in intricately detailed medieval armor, riding atop a majestic horse. She embodies the spirit of a cowboy, confidently gripping a flintlock pistol in one hand and a sleek revolver in the other. The background reveals a breathtaking panorama of majestic mountains under a vast, azure sky. This hyper-realistic oil painting, reminiscent of Frank Frazetta's mastery, captures the vibrant energy and timeless adventure of a bygone era with stunning high-resolution detail.