Create a book cover for a thrilling adventure novel. The cover features Max in the foreground, with his glowing Quantum Armband emitting powerful energy. Surrounding him are his friends in heroic poses, ready for action. The background displays a futuristic cityscape merging with an adventurous landscape, adding a sense of excitement and mystery. No text. --cref <https://s.mj.run/FxDM7JWAiec>