From "Once Upon a Time: Heart of Darkness (#1.16)"
Do you know what a diamond is? It's the strongest substance known to man or beast - beautiful, precious, nearly impervious to destruction. Nearly. This...
[she lifts a pickaxe
This is an ax from the dwarf mines. It's a special blade. It can, believe it or not, actually cut a diamond. Imagine what it can do to human flesh - soft, pliable, tender... flesh!