Mutant Creatures continued to advance by enslaving humans and acquiring Human Civilization's knowledge; humans, because they became slaves to Mutant Creatures, considered themselves fortunate.
It was deeply ironic, yet even if they truly called for help, aside from First Sequence Espers with special abilities that allowed them to fly, or First Sequences like him who possessed armor and could use the Flame Dragon Colt to provide support, those who were slightly weaker and lacked the ability to fly could not go to their aid.
In the current world, it was no longer possible to travel to other countries by plane or ship as they had before the Reiki Revival.
The sea covered 71% of Earth's surface. It was the cradle of life, home to biological populations far more numerous than those on land, as well as unimaginably powerful First Sequence Mutant Sea Beasts.
The sky, meanwhile, was territory occupied by those mutant flying beasts. To travel to another country by plane, one had to face those mutated flying beasts.
Even the most advanced fighter jets would be utterly powerless against mutant flying beasts.
It was cruel, yet incomparably real.
Wings were the limbs of Mutant Birds. They were born able to fly freely through the skies, and controlling their own bodies was far easier than humans controlling fighter jets. They were also exceptionally agile.
If they truly intended to crash into human fighter jets, then no matter how advanced the jets were, there was a high chance that both machine and pilot would be destroyed.
Of course, the Mutant Birds might not survive either. But if a fighter jet collided with an ordinary Mutant Bird that did not even qualify as a Sequence, only for the result to be mutual destruction, then the price was far too great—so great that