Age of Scourge: the Bard's Journey to the World Tree

"Western Fantasy × No System × Natural Disaster" The bard Ethan was instantly killed by a natural disaster in revenge. He made a deal with the devil when he was supposed to die, His future self helped him complete his revenge, But part of the power of the natural disaster took the opportunity to reside in his body, waiting for an opportunity to resurrect. So he set out to find the World Tree, Way to eliminate it completely.