Because the stage was forty meters long, with such a long distance, ordinary magic attacks would have long lost their attack power by the time they reached their opponents.
But Oscar's attacks were different from ordinary magic attacks, let alone forty meters, even if it was hundred meters away, its power still existed.
The crossbow was now in the shape of a hand cannon, Windsrider. Even the essence arrows were now invisible to the nahed eye. He rembered seeing something like this in an old fantasy movie in his previous world.
That's the big difference between refined weapons and magical attacks. It was also the reason why Oberon was obsessed with studying the ether weapons for more than ten years.
It was because the crossbow's attack distance was long, and its lethality was equally huge.