Heads-up! The CEO's Wife is a Hidden Big Boss! - Chapter 21 - I Know How to Fight

He lived from BC to the Middle Ages, from the Renaissance to the Industrial Revolution, and from Cyberpunk to the Interstellar Age. He has been a king and a prophet, a knight and a nobleman, a versatile artist, a genius inventor…
This is a four-thousand-year human epic——
“To us four thousand years from now:
“Is the world at peace? Is famine extinct? Can people touch the stars? How long is the human lifespan? How far is the boundary of the earth? Human…do you remember us?”
——Excavated from Earth Age Tenth Century BC, Solomon Prayer Book.

- Description from novelbuddy

He returned from the hopeless future!

Rowan was just a broke college dropout—until he was summoned to another world.Dragged into the war-torn realm of Laronia, Rowan stands beside four other chosen heroes, each blessed by prophecy… except him.While the others awaken to legendary powers and divine roles, Rowan receives a blank grimoire. No magic. No title. No future.Cast aside and marked a failure, he prepares for death—until the silence inside his grimoire begins to speak.The gods made a mistake. And this world is not ready for what lies beneath the Wordless Mage.

When he first crossed over, Chen Liguo did not want to accept it.