A ring set with a large rare tearstone jewel.
Temporarily boosts attack when HP is low.
This stone is said to be a tear of mourning of the goddess Caitha, and of course, tears are always more beautiful near death.
Boosts attack by 20% when HP is low
Lothric Castle treasure: just before the Dragonslayer Armour. From the Dragon Barracks bonfire, head across the bridge and through the entrance of the castle, heading to the left.
Continue forward and outside, where you should head through the entrance to the right, into a small chapel. Head to the left and outside onto a balcony where the you will find a corpse holding the ring.