Heartstone

It is a generic ring enchanted with Restoration magic.

Effects

 * Fortify Endurance – 5 to 20 points for 30 seconds on self

Locations
Heartstone appears as random loot, and there are 43 possible instances where it can spawn. It has only one static occurrence, included in Ienas Nadus' inventory. She resides at Indarys Manor in the Ashlands.