Help the Song Dynasty and Destroy the Foreign Countries, but the Foreigners Know Magic

When the English fireball exploded on the city wall of Kaifeng, Zhao Zheng realized that the Song Dynasty was about to die. Because the fireball was not fired from the barrel, but was rubbed out by magic. In the second year of Jingkang of the Northern Song Dynasty, Europeans invaded China. There are no strong ships and cannons, no fancy skills. Foreigners only need to pray to gods to summon heavenly fire, become invulnerable, break mountains and rivers, and destroy China. And Zhao Zheng is just an ordinary chemical industry practitioner...