I Can Change the Dark Technology

Terrifying shadows linger on the streets, and unspeakable creatures cast covetous glances. The doomsday is raging and disaster is spreading I accidentally gained the ability to magically modify everything, including firearms, armor, and even heavy artillery and fighter planes. He thought he could stand firm in this era and live a carefree life with this, but gradually, he realized that in this deep and profound world, Deep in the apocalypse, there are even more terrifying shadows... At the end of darkness, the wrathful flames of civilization will be born