I Was Invincible at the Beginning and I Was Just an Assistant.

He was originally just a C-level assistant, but was betrayed by someone he trusted, and ended up being left dead in a primary dungeon. But at the last moment, he was summoned by a mysterious force and gained the power of the system. Want to get power? Getting something for nothing doesn't work. Don't you want to be invincible? Go to hell and level up for me. After a narrow escape, he finally gained invincible power in the Hell dungeon, but when he left, he was judged by the system and could only be used as an assistant? ? ? Are you kidding me? ? If I can beat the boss in seconds, do I still need teammates? ? Studying medicine cannot save all mankind! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.