The piece of stone that has been removed must be calculated precisely; randomly prying it out will easily trigger hidden mechanisms and cause injury.
Furthermore, the lock must be opened within eighty-one steps. This process relies on a complex and intricate computational theory derived from the Book of Changes.
The mnemonic chants for this are abstruse and tongue-twisting, making them difficult even just to memorize. Only the Buddha knew the chants, and he had taught them to Wang Han, Lord Guang, and Little Buddha.
Chapter 553