The Great Swordsman Who Is Not Very Good at Swordsmanship

This is the story of fifty-four heroes. When the doomsday fires fall from the sky, the voice of hell whispers secretly. All life in the world, whether good or evil, will fight for this. Highland Sword Saint Chia, Ancient Corrupted Saint Marlene, Blood Rose Avian, Tears of the Sky Tia... Fifty-four heroes came into being to protect the ground beneath their feet. And you are a passing observer, carrying an invincible sword. Disaster is imminent, where should you go?