Create a dramatic and gritty Warhammer 40k-inspired book cover illustration featuring a veteran Space Marine of the Interdictors chapter. The Marine stands boldly atop a pile of smashed Ork vehicles and battlefield debris, wearing dusk-grey power armor marked with a unique Speculum Imperatoris insignia — an eye with a reflective mirror where the iris should be, prominently displayed on his shoulder pauldron. His helmet visor glows faintly with an eerie light, obscuring his face. In the background, on the left side, show a squad of Ultramarines in bright cerulean blue armor advancing, their banners partially raised, with subtle tension in their stance. On the right side, depict a chaotic convoy of Ork vehicles painted bright red and heavily armored, reminiscent of Mad Max style war rigs, firing weapons and kicking up dust. The sky is stormy twilight, dark and moody with distant warships silhouetted against the horizon. In the far background, show small bulk transports loading fleeing civilians, emphasizing the high stakes. Add gothic imperial motifs subtly in the border or background, including cogwheel designs and imperial seals. The overall tone should feel tense, battle-worn, and mythic, capturing the essence of clandestine warfare and complex alliances See more