Forbidden Hero: Formula Rationalization

The college entrance examination is about to take place. Jing Jian, a seventeen-year-old third-year super-excellent high school student, fell asleep peacefully in a relaxed review state as usual. However, when he woke up, he was in a different world of swords and magic! Summoned as a sacred weapon hero in his sleep, he decided to follow his fate - fight against the wave of world disasters, and return to the original world after completing the hero's mission! However, the oncoming Hero No Sacred Artifact incident shattered all his expectations. The [Holy Artifact Exclusive] prevented him from holding weapons of a different type, unable to kill wild monsters to gain Exp, and unable to upgrade! This means that in the upcoming wave of attacks, Level.1 Who are sent to the front line as braves will face devastating death. How to upgrade and obtain skills? Where is the unknown sacred weapon that has not appeared? How could he survive the second, third, and even more turbulent waves that followed? Holy magic, swordsmanship, non-singing genius... The fantasy adventure story begins here!