Wait a second, if flying costs 200mp per second, and the guy only has like 5000 mana, shouldn't he only be able to fly for like 1 minute before he's out of mana
Why is this chapter written as if he can just fly indefinitely?
100 km/s is approximately 293.87 times the speed of sound and going that speed you would be able to travel around the Earth and back to your original position at about 6 minutes.