In the Korean novel 'Became the Only Healer in the Academy,' the protagonist Seonghyeon possesses a unique ability that sets him apart - the power to heal. This skill of 'healing' is unprecedented in the history of mankind, making Seonghyeon the first person to exhibit such capabilities. The story unfolds as Seonghyeon navigates his newfound role as the sole healer in the academy, showcasing his journey of discovery and growth amidst a backdrop of intrigue and challenges.