A story about someone who transmigrates to another world and becomes stronger by constantly grinding experience points through skill mastery.When the protagonist is transmigrated into a dangerous, mystical realm, they are gifted a powerful ability that changes everything: the Proficiency System. This isn't a story of slow, painful cultivation—it's about relentless, immediate Progression Fantasy! The core concept is simple: everything can be mastered by constant Grinding XP (or "Gān Jīngyàn"). Watch as the hero exploits this cheat-like power to rapidly Level Up, turn mundane skills into divine arts, and conquer the Fantasy World by achieving perfect Skill Mastery through sheer hard work (and a unique system).