How Did I Become the Savior of Civilization?

Good news: Xu Yuan watched his lifespan change to 8, then turn sideways into 【∞】. Better news: The advanced civilization of the mind, the Star Court, was destroyed, and Xu Yuan became its heir, inheriting an endless fortune. Bad news: The AI judged Xu Yuan an uncultured illiterate and refused to unlock its database. Even worse news: The Abyss was invading the Milky Way, and it was what had wiped out the Star Court. To claim his inheritance, Xu Yuan had no choice but to study diligently by day and work as a vigilante at night, doing good deeds to raise his mental strength. The day he cracked the knowledge base, Xu Yuan also reached adulthood on a mental level and gained the ability 【Echo】. 【Echo】: Within his perceptible range, lock onto the corpse of a dead person most like himself and revive by possessing it. That day, the Milky Way burned, and countless civilizations prayed for a miracle as they faced annihilation. Then their long-dead gods of war, leaders, and guardians rose from mountains of corpses and seas of blood: “Sorry, I’m late.”