The Drystone Courtyard is one of the 12 Forbidden Burial Grounds. It is considered to be one of the top three most dangerous among them. People without a strong cultivation will be petrified in the moment they set a foot inside of the Drystone Courtyard. Many Virtuous Paragons died there and even several Immortal Emperors barely escaped with their lives. The petrification increases its strength when one goes further inside. However if one rides a special Wooden Horse is posible to prevent the petrification.
- The Alchemy Kingdom has a portal to the Drystone Courtyard; it is one of the few shortcuts to the Drystone Courtyard in present times, but its success rate is very low.
- The Bi'an Beastworld has a more stable portal that can reach the Drystone Courtyard without problems.
Due to petrification, the Drystone Courtyard is filled with many statues but there are several existences that retain their awareness:
The Drystone Courtyard is situated in the Stone Medicine World, but its exact location is unknown.[note 1] The Drystone Courtyard is only a yard, an extremely large yard, that looks like an abandoned garden of a wealthy family.
- Era Petrification Ray: this hidden technique is the source of the petrification on Drystone Courtyard. It is situated in the farthest location of the courtyard.
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- Its exact location is an in-universe unknown, unlike other locations, whose region is unknown only to readers.