Experiment No. 0: the Thousand-Year Mecha's Immortal Chess Game

Earth engineer Sunan was suddenly abducted by an alien civilization after an equipment debugging and became a "genetic experiment". The cold experimental cabin and the endless pain of transformation made him completely fall from an ordinary person into the abyss. After the experiment failed, he was abandoned on an abandoned planet. When he was about to die, he was rescued by a mysterious alien scientist. He was forcibly implanted with incomplete combat technology and became a gladiator for people's entertainment in the most cruel "Star Arena" in the entire galaxy. From fighting genetic monsters with flesh and blood, to exchanging mecha parts and unlocking core energy with victory, Sunan transformed step by step in the bloody storm and became the undefeated "Steel Phantom" in the Star Arena. However, the sequelae of the experiment and battle trauma accelerated his life decline. The scientists used the "consciousness transfer mecha" as a condition to seal him into a cold body, but left behind a fatal shackles - the core of the mecha only has a lifespan of a thousand years. Only by devouring interstellar resources and breaking through technological barriers can it continue to exist. After a thousand years of interstellar exploration, Sunan grew from a prisoner in the arena to a powerful mecha that shocked everyone. His obsession with the earth made him return home. However, the mecha form triggered the Blue Star defense system, and he was regarded as an alien invader and had no choice but to escape to Mars. But in the depths of Mars, abnormal signals from ancient alien ruins were sensed. The dusty secrets of civilization, interstellar forces coveting technology, and the Earth team aware of the crisis made the silent Mars instantly become a new battlefield. On one side is the death countdown of the mecha's lifespan, and on the other side is the pursuit and interception of the three parties. Sunan must find the key to breakthrough immortality in the ruins technology, and at the same time protect the earth's civilization that is accidentally involved.