Cut Down the Heavens! I Become Stronger When I Swing My Sword

"My name is Lin Zhan, I have zero spiritual energy, and I am the number one loser in Canglong Academy! But I have a sword!" System activation! Swing the sword to become stronger! One knife isn't enough? That's a million dollars! Instructor mocking? One knife hits the swelling! Genius contempt? Cut it down with one knife! Are the heavens blocking the way? Explode the stars with one strike!