Firstly, the concept of the novel seems intriguing and full of potential. The idea of exploring a world where humans have evolved due to a catastrophic event and the juxtaposition of advanced technology and human greed is a captivating premise that could attract readers.
Secondly, the main character's journey of self-discovery and redemption through his second chance at life could make for a compelling story. The mystery surrounding his return and the world he finds himself in creates an engaging plot that could keep readers hooked.
Finally, my advice would be to focus on creating well-developed characters and an immersive setting that transports readers to this futuristic world. Consider exploring themes of human nature, morality, and the consequences of our actions, which could add depth and meaning to the story.
Overall, keep writing and exploring the possibilities of this unique and exciting world you have created.