Facing the pickaxe in his hand, Old Casbin could truly say he had spared no expense—he had invested a small piece of fine gold into it. While this made the carving difficult for Durin, it greatly enhanced the overall structure of the pickaxe.
The only problem was that, once the pickaxe was complete, Durin went through three engraving knives, and none could leave the slightest scratch on the face of the axe.
This was no longer a matter of strength, but the knives themselves lacked the necessary strength and sharpness.
Just then, another visitor knocked on the Stark family's grand door, a person Durin recognized—it was Bishop Aye Elu, who had established a faster and more efficient communication channel for Durin and Anta.
He held an engraving knife and handed it to Durin with great solemnity.
"My lord said you would definitely need this knife, so I came to deliver it on my lord's behalf, and to bear witness to the occasion, to see the legend unfold."