Spoiler Alert: This page contains spoilers. Read at your own risk. |
Deceleration Zone (ディーセラレイション・ゾーン) is a technique that was rather commonplace. It was a magic widely used both in Japan and abroad to slow the movement of a target object.[1]
It is a magic that slows down motions and vibrations of objects within a certain area, causing them to decelerate.[2]
“ | But when Miyuki uses this magic, her targets can extend even to gas, molecules. The movement speed of gas molecules is proportional to its pressure. To be precise (although this is still just an approximation) in an enclosed space, the pressure of a gas is proportional to the square of its movement speed. By forcibly decelerating the movement speed of air molecules in a region the pressure falls, and the resulting pressure gradient causes air from the surrounding space to move in. Rapidly and forcefully. Not just air, but people and objects were sucked in as well. If a person caught in this had insufficient power to oppose the magic, they would be deprived of their movement speed and trapped. And if the person had sufficient interference power to shut down the magic, the greatly decelerated gas molecules would suddenly regain their speed and expansion back to an appropriate pressure would Occur; in other words, an explosion. A magic which originally was only used in battle as a second option to reduce the impact of projectiles when lacking the power to outright stop them, had been wrought into a two-fold anti-personnel magic by Miyuki's overwhelming magic power. | ” |
—Visitor (I) Volume 9, Chapter 7 |