Prior to the first cataclysm, science dictated the natural laws of the world.
Phenomenons such as the creation of the universe, the extinction of dinosaurs, the life cycle of planets, everything was explained through the usage of science.
...yet, as soon as mana came into the world, things that science dictated to be impossible became possible.
Summoning fireballs, splitting mountains, turning invisible, running at speeds that the naked eye couldn't see. Despite how much scientists tried to rack their brains around it, they couldn't explain such phenomenons.
The world's standards changed.
What we previously thought we knew had to be reviewed.
That was because of the existence of a new index. Mana.
In 2015, Dimitri Morlov, a scientist of Russian descent proposed a new scientific branch called Magic.