Swordtember 2023 royal gaurd

Day 14 Royal Gaurd
During the age of war, the kingdom of man fought a great battle at the gate of the underworld. This war lasted 8 years, but to defeat the army of demons and the demon king was impossible. then Demon World was betrayed by its own prince and the prince opened the key to defeat the demon Ralm. he joined the human army. it was a sword that guarded the door and the prince was able to steal this key from its father and seal the demon world. but in the end, the demon prince faces the curse of its land.