Isaera smiles. "Not that I don't trust you... but Syr Elvani architecture is built to be unbreakable. Blood sacrifices over the mortar... ancient enchantments on the obsidian itself... trust me when I say that we need these tools. However re-appropriated by humans, the stone survives... thousands of years old and looking as new as the day it was finished... it won't take long Amy... consider it a day of rest before the real work begins."