Awakening the Emperor's Armor at the Beginning, Shocking the School Belle Girlfriend

[Monster Invasion] + [Armor Awakening] + [Invincible] In the year 2100 of the Dragon Calendar, demonic beasts invaded Blue Star in large numbers, leaving all life in ruins and surrounded by dangers. In order to resist the invasion of monsters, humans revived auras to build energy arrays and awakened armors at the same time. After 4,000 years of the Dragon Calendar, the spiritual energy array gradually matured, and countless armored gods emerged. Everyone will be selected by God to awaken the armor in their second year of high school and become the summoner of the armor. After going through many experiences, they will go to the ancient battlefield to jointly resist the invasion of monsters, and are respected by millions of people. Or be exiled to the wasteland and become an ant filled with spiritual energy... On the day Su Yun awakened, he summoned the ancient god's armor, the Emperor's Armor, shocking the teachers and students in the school... E-level talent? But every time I swing the sword, I permanently gain one life, and the attack inflicts real life damage. How should you respond?