Dao artifacts required precious materials, but they were also engraved with fifth grade spiritual runes from a saint spiritualist. Spiritual runes that were fifth grade and higher were known as saint runes. The saint runes were also divided into greater, intermediate, and lesser categories.

Even the most ordinary lesser saint rune was rare because saint spiritualists didn’t usually grasp more than three lesser saint runes. As for greater and intermediate saint runes, they were only found in powerful sects and clans with a long history.

It was even rumored that greater saint runes weren’t any weaker than divine runes. However, this was on the basis that most divine runes were incomplete. Complete divine runes were basically nonexistent. Lin Yun couldn’t even imagine one since he only met fourth grade spiritualists in the Profound Amber Realm.

The...