Immortality Begins with a Baby, Starting with the Choice of Good and Evil

After traveling through time and becoming a baby, the system asked him to punish evil and promote good, and kill demons. I wanted to keep a low profile and survive, but the system gave me too much. He wanted to be a good person, but the Immortal Sect treated him as a pawn. I wanted to practice quietly, but the Immortal Sect treated human lives as nothing. Until the Immortal Gate Conference, he silently drew his sword...