Sentinel Tower with Orange Eyes

Phone Case | Ink-and-pen sketch with digital color fill showing a tall, tower-like mechanical figure. Dense black ink lines form a rounded head with two large orange circular eyes set against a flat blue background. Smaller spherical structures and thin vertical supports link multiple platforms; small yellow-lit windows appear on lower levels. Style combines loose sketching and concept-art composition; techniques: ink drawing and digital coloring. Dominant colors: blue and orange.