Slay Demons: Summon the Emperor's Armor at the Beginning

When he woke up, Su Chen traveled to a world where demons were plundering. The human race is in a precarious situation, and a crisis may break out at any time. Ordinary people have no ability to resist the demons and can only survive hard. Su Chen discovered that by consuming his lifespan, he could summon the Emperor's Armor. Fortunately, after sealing the demon, the lost lifespan can be regained. Since then, Su Chen has embarked on a unique path of cultivation. Some years later. Countless demons invaded human cities. Su Chen stood on a high-rise building, silently took out the emperor's belt and looked down at the numerous demons. "Demon, I want you to help me practice."