Resource obtained during "Revival: Summer! Ocean! Pioneering! FGO Summer 2018 Lite."
Stone easily obtained from cliff walls.
They are heavy and hard to process.
But in return, they make sturdy buildings that won't lose against rain!
"I was bored, so I shaved it to just the right shape."
"Master, you were always good at powering through projects like this..."
Servant Ascension/Skill Requirements