From Tori Wiki
|"Not just a stone!.. it is... GRAY stone! And heavy stone!
What? You mean, any stones are like that?.. Pfft, you just know nothing about stones!"
|How to Obtain|
|Green Valley - Digging/Exploring|
Meadows - Exploring
Gray Stone is a material. You have a 50% chance to find 1-3 gray stones while digging in the Green Valley or a chance to find 1 while exploring. You also have a 9% chance to find one while Exploring the Meadows. Gray Stone is used to craft Simple Hammer in Boroto's Workshop.