This Lord Knows Magic!

When swords and magic complement each other, holy light and darkness compete for the crown, and humans, elves, and dwarves... Are fighting in an anxious melee, but Jiang Yuan travels through time and becomes a prince in a different world. From then on, the war has changed. "Magic! How can the opponent's army shoot fire!" "It's not magic, it's muskets." "I admit that I lost, but before you die, can you tell me why the gods gave you the power of thunder and lightning?" "That's not thunder and lightning, it's our cannon." ………… When I travel from a farm animal to a prince, "No one can stop me from living a peaceful farming life!"