Introduction: Upon waking up, Zhang Xiaojian traveled to the high school period in a parallel world. The spiritual energy of the world is revived, and the whole people practice. Zhang Xiaojian awakened a C-level spirit beast [Pippi Shrimp] and became an ordinary sea master. However, when he activated a system: "Ding, the health-preserving boxing practice was successful!" "Ding, Kaishan Paoquan practiced successfully!" "Ding, the artillery boxing practice was successful!" "Ding……" Zhang Xiaojian blasted out with a punch, the sea water in front of him was torn apart, left and right separated, a vacuum channel appeared out of thin air! The terrifying force formed a spiritual shock wave, blasting a hundred-meter-long megalodon shark in heavy armor from a kilometer away into scum! The seabed collapsed and the earth trembled. The world seems to be destroyed!...