The Extra Who Inherited Ragnarok

When Noah Blackwood opened his eyes, he found himself inside the novel he had been reading just hours before his death. Unfortunately, he wasn’t the protagonist. He wasn’t the villain. He wasn’t even a side character. He was merely an extra destined to die during the academy entrance examination. Knowing his fate, Noah planned to quietly survive and stay away from the story’s main events. That plan shattered when a mysterious System awakened inside him. [Hidden Bloodline Detected.] [Compatibility: 100%] [The Blood of Ragnarok has been inherited.] The bloodline belonged to a forgotten god erased from history—the deity who once brought an end to the age of gods. As Noah grows stronger, he discovers a terrifying truth. The novel he once read was incomplete. The world is hiding secrets even the original protagonist never uncovered. Ancient gods are awakening. Forbidden dungeons are opening. The fate of the world is collapsing. And the insignificant extra everyone overlooked may become the greatest monster the heavens have ever feared. — Description from novelcodex.org