Commentaries on the Vajrasamadhi Sutra
Queen Jaui, the wife of King Munmu, the 30th king of Silla, developed a large boil on her head.
No matter how many good medicines were used, it would not heal.
The king immediately sent an envoy to Tang, and on the way, the envoy met a Taoist hermit.
The envoy followed the Taoist hermit to the Dragon Palace and returned to the king with a bundle of papers received from the Dragon King.
Wonhyo mingled with the people while riding an ox cart and clearly interpreted the Commentaries on the Vajrasamadhi Sutra so that everyone could understand it.
The Commentaries on the Vajrasamadhi Sutra, thus created, spread to Southeast Asia, China, and Japan, making Wonhyo a revered monk worldwide.