Hunting The Shadow

This world begin its change when many meteor fall, more than half population died. But that was only the beginning, the falling meteor turned out to bring energy that made evolution for the world. mankind is now evolving with energy called 'mana', they can run as fast as ferari or destroy large rocks empty-handed. not only humans evolved but animals also began to turn into monsters that are now called magical beasts. how will mankind survive in this world?