We Were Promised to Be the Most Useless Mage, How Come You Are All at the World-Destroying Level in Level A?

The continent of Marfa has come to reality, monsters are raging, and everyone is awakening to their profession. Qin Yang was reborn and returned to the day when he awakened at the age of eighteen, and intercepted the supreme rare treasure of the Son of Destiny [Marrow of Marfa]! However, during the awakening ceremony, the school beauty in the same class awakened a rare ice variant "Ice Roar" and was praised by the stars. However, Qin Yang only awakened the lowest level of garbage skill of the mage: small fireball, and became the laughing stock of the whole school! I thought I would be ignored by everyone, but I didn't know that the divine essence of Marfa comes with [Infinite Automatic Enlightenment]! While others have worked hard for several years to achieve skill proficiency, he is even upgrading his breathing! [Your "little fireball" absorbs the pure fire element and evolves into: a big fireball! [Your "big fire ball" is so powerful that it evolves into: hellfire! [Your "Hell Fire" is perfected and advanced to the ultimate forbidden spell of the legal system: Meteor Fire Rain! … Seven days later, the outdoor trial area. The elite team was cornered by a level 20 elite boss and frantically called for help. Qin Yang, who was passing by, stopped and made a stroke. In an instant, the sky was torn apart! Three dark red meteorites with a diameter of several meters crashed down, turning the ground into a scorched earth purgatory. The BOSS was instantly wiped out, and it was filled with divine equipment! The team that had narrowly escaped death looked at the razed ruins and knelt on the ground with a plop, trembling: "Boss... You call this heaven-destroying forbidden curse a small fireball?!" During the national exam, the Demon King of the Abyss led a massive invasion of hundreds of millions of beasts, and the human defense line collapsed. Qin Yang stands alone at the top of the city, raising his hands and washing the ground with thousands of forbidden curses, using a mortal body to create the dusk of the gods!