Gravedigging

Gravedigging is basically mining, but with graves. Digging graves with a Gravedigger shovel can yield many rewards. It can also spawn monsters (Sometimes Paragon), Reagents (Magery and Necromancy), Gems, and Scrolls.

The items needed:

Gravedigger Shovel:

Grave:

Here is a list of the artifacts that you can dig up:

Various Bones: