The Cyber Demon Monarch

In a galaxy where Genetic Resonance is everything, Lucian has a score of absolute zero. Sent into the dangerous, uncharted trenches of Planet Vanguard-4 as a disposable meat shield, Lucian is abandoned by his elite squad to die during an alien ambush. Bleeding out in a hidden cavern, his dying breaths unlock an ancient, forbidden altar, awakening a tech-magic interface: [The Demon Monarch System]. Evolving past his weak human biology, Lucian becomes a High-Blood Imp. Armed with the unique ability to devour both the life force of his enemies and the cutting-edge technology of the military mechs that once oppressed him, he begins to build a hidden empire right under the Federation's nose. They wanted a sacrifice. What they got is a god. The era of the Cyber Demon Monarch has begun — Description from novelcodex.org