Create a book cover for a thrilling adventure novel. The cover features Max in the foreground with his Quantum Armband glowing intensely, emitting bright and powerful energy beams. Max has an expression of determination and excitement on his face. Surrounding him are his friends in dynamic and heroic poses, showcasing their unique abilities without any weapons. Emma is using her telekinetic powers, Alex is controlling electromagnetic fields, and Leo and Lisa are displaying their physical prowess. The background combines elements of a futuristic cityscape with sleek buildings and neon lights, merging into an adventurous natural landscape with mountains and forests, creating a sense of mystery and excitement. No text. --cref <https://s.mj.run/IIqC-e9J23A>