"I Shall Seal the Heavens" is a popular web novel written by Er Gen. It follows the journey of Meng Hao, a young scholar who becomes embroiled in the world of cultivation, seeking power and immortality. The story is set in a fantastical universe filled with various sects, magical artifacts, and powerful beings. As Meng Hao navigates challenges and battles, he discovers the importance of friendship, loyalty, and sacrifice. The novel combines elements of adventure, humor, and drama, making it a captivating read for fans of the Xianxia genre, which focuses on martial arts and Taoist philosophy.