Heavy Stone is a common Miscellaneous Item.

Despite fitting easily in your hand, this rough stone has a good weight to it.
Properties
Miscellaneous Items
Rarity: Common
Weight: 0.2 kg / 0.4 lb
Price: 1 gp
UID
Quest_CMB_ThrowingRockUUID
27f77a61-a259-4fe2-9d7d-d94d2f0a5bee
Where to find
- In Worg Pens prison cell
- In the Owlbear Nest
- In the Overgrown Tunnel (looted from the Mask of Servitude)