Canopic jar with ring

The canopic jar with ring is used in Dimension of Disaster/Curse of Arrav. It's made by adding a ring of life to an empty canopic jar.

You are supposed to turn this into a prepared canopic jar by adding sacred oil and dwellberries to the jar in any order.
 * Adding a sacred oil creates a canopic jar with oil and ring
 * Adding dwellberries creates a canopic jar with berries and ring