I Inherited the Basement of the Tower

Penalty? What’s the big deal? Kang Hajin, the first in the world to awaken as an SSS-class, had expected only a bright, rosy future. But an unexpected trial suddenly befalls him: Exposed to sunlight. The hidden penalty of the Night Knight is revealed. Excessive sunlight exposure reduces all stats by 90%. “What? With a penalty like that, how am I supposed to conquer the tower? Get lost.” Yet, at the brink of despair, a miracle appears: 【You have obtained the Key to the Tower’s Basement (Legendary).】 【Congratulations. You have awakened as the tower’s first ‘Basement Player’.】 【Daylight never reaches the tower’s basement.】 【Trait ‘Night Knight (SSS)’ evolves into ‘Knight of Eternal...