This Is Excalibur

A long sword can split mountains and seas, break the sky, and shock monsters. Some people see injustice on the road and kill the enemy generously in the name of the sword. Some people are proud of their strong swordsmanship and commit evil acts, causing harm to the world. Why is it that everyone in this area only fights with swords and practices? Will someone break through the dangers and become an immortal sword god who has been extinct for tens of millions of years...