MTL - Doomsday: I Have One More Keyword Than Others - Chapter 43 Peacekeeping and joint defense

Ethan Carter never thought much about heroism—until the night he pushed a girl out of the way of a speeding truck and felt cold steel and shattering bones instead of pavement. He expected to die. Instead, he woke up in a hospital, completely healed, with a strange blue screen floating in front of him.[System Activated.][Welcome, User. Your journey begins now.]At first, he thinks he's hallucinating. But when his body starts changing—his strength skyrocketing, his reflexes sharpening—Ethan realizes this is real. The System grants him quests, skills, and rewards, pushing him to break human limits. And yet, there’s more. Locked away in his interface is something called *World Travel*—but it remains inaccessible, its conditions unknown.As he grows stronger, Ethan catches the attention of powerful forces—some eager to recruit him, others determined to stop him. And amidst the chaos, women drawn to his power and charisma begin to enter his life, each with their own mysteries.But one question haunts him: *Why was I chosen?*The answer lies beyond this world. And when the time comes, Ethan won’t just step into new worlds—he’ll conquer them.

“I Possessed the Academy’s Silver-Rank Examiner.”I was on the verge of becoming someone who’d be pushed around by students left and right…◎ [Silver Gatekeeper]“No one can pass without the Gatekeeper’s permission.”I awakened an absurdly overpowered trait.TN: This novel follows a protagonist who becomes a rank examiner, tasked with evaluating students at an academy to determine whether they are worthy of advancing from Bronze to Silver rank. Known as the Silver Gatekeeper, he has the authority to decide which students can progress. As a gatekeeper, he possesses overpowered abilities, making him powerful when fighting on the examination field.

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.

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