Tvarog runestone is a runestone in the Hearts of Stone expansion. One is needed to create the Dumplings runeword which, when in effect, causes any food consumed to regenerate 100% more vitality (i.e. doubling the amount of health regenerated).
- This runestone's name references quark (Polish: twaróg), a dairy product popular in much of continental Europe. It is often translated to English as "curd cheese" or "cottage cheese" which is often viewed as a specific type of quark.
- This runestone has no effect when placed in an upgrade slot, and raises the weapon's level requirement by 1.
- In the crafting menu, this runestone's weight is listed as 0.01 when it is actually 0.03.