- Found in Chalice Dungeons.
- Can drop from Labyrinth Rats in depth 3/5 Chalice Dungeons.
- Can drop from the Pickaxe variant of Watcher's Gravedigger in depth 3/5 Chalice Dungeons.
- Is available for purchase from the Bath Messengers in the Hunter's Dream for 10,000 Blood Echoes, after obtaining the Great Pthumeru Ihyll Chalice.
Tomb Mold (3) is a basic material used in Chalices Rituals, in order to create Chalice Dungeons.