I Start with a Knife, and I Can Play with Unlimited Fire.

He lost his job after graduation. After returning to his hometown, he accidentally got a short sword and accidentally became a plane wanderer. The system's hard task: traveling through the planes and collecting cosmic energy in the flames of war. In order to survive, Sun Yan used his brain to magically modify and manufacture equipment and arm himself crazily. Crush the magister, crush the monsters, and seek a chance of survival under the flames of war. Cross-civilization fighting takes turns, and others form teams to survive. With their knives, they can magically modify all their equipment, improve themselves crazily, and break through the shackles step by step. Explore the ultimate secrets of the Yashen universe and alien civilization.