Traveling Through the Magical World, but I Can Rub My Hands Together to Heat Weapons

Fireball! Ice rain technique! Landslides and landslides! Lightning storm! ICBM! Etc? Is there something weird sneaking in? No, not surprising at all. You can cast magic, why can't I throw missiles? It's obvious that you are the weirder ones! But this is the magical world! Everything is possible! Child! Are you religious! Namo Gatling Bodhisattva has great mercy and compassion for one thousand eight hundred revolutions! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.