Universal Job Change: My Summoning Technique Has Deteriorated

In a world where everyone changes jobs, mystery and reality overlap, and monsters, undead, dragons, and destroyers keep appearing! Secret realms appear, gods descend, and giant beasts roar to harvest humans. In order to survive, every human being can change jobs and improve himself crazily! Lu Yang became a summoner of the unpopular combat profession. He also discovered that his summoning technique was different from anyone else's and had completely deteriorated! Summon Angel Bardos: personal guidance and practice the power of the God of Destruction. Summon the Heavenly Master: Full-level golden light spell to exterminate the undead. Summon the Demonic Dragon Acnologia: Destroy the Dragon Breath and end the Age of Dragons. Summon the Sword God: open the gate of heaven with one sword and kill all dimensional creatures. … Sorry, although my summoning technique has deteriorated, but I can do whatever I want! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.