I Changed My Job to a Spellcaster, and I Went Crazy Relying on the Entries.

[National job change] + [Decisive killing] + [Invincible] Hundreds of years ago, alien species were rampant and mankind was once on the verge of extinction! In order to resist the invasion of alien species, human beings have awakened various professions with the help of the will of the world, and the era of job transfer for all people has arrived! Qin Yu traveled to another world, and after three years of hard work, he accidentally changed his profession to the super rare profession [Spell Master] and gained the ability to defy the heavens! Not only can you enchant everything, but you can also speak the magic, and the words will become true! At this moment, Qin Yu knew that he would eventually stand up to the gods as a mortal!