Through The Borobudur (2021)

There is a legend that the secret of the rise and fall of Murim is hidden in a seven-story stupa. The path of painful trials begins for the young knights of the Hero Association who jump into it. They complete their mission through assaults such as the scorching sun and pouring rain, but discover that everything in the Budo Tower was a conspiracy. And the culprit behind everything was one of them...