Infinite Upgrades to My Card-Throwing Skill

Flying Cards LV.1: Range of 10 meters.

Flying Cards LV.2: Range of 20 meters, can slice vegetable leaves.

Flying Cards LV.3: Range of 40 meters, can slice cucumbers.

Flying Cards LV.4: Range of 100 meters, can slice watermelons.

Flying Cards LV.5: Range of 200 meters, can slice bricks.

Flying Cards LV.6: Range of 400 meters, can slice pig iron.

Flying Cards LV.7: Range of 800 meters, can slice rebar.

Flying Cards LV.8: Range of 1,600 meters, can pierce walls.

Flying Cards LV.9: Range of 3,200 meters, can slice through cars.

Flying Cards LV.10: Range of 6,400 meters, can slice through trucks.

Flying Cards LV.20: Range ?? Can it slice fighter jets?

Flying Cards LV.30: Range ?? Can it slice aircraft carriers? Space battleships?

Flying Cards LV.60: Range ?? Can it slice the world in half?

[This novel is set in a modern city and features a protagonist who cultivates magic alone. Welcome aboard!]