Needs quality materials for bigger Golems

Darnic nodded with a smile at Caster's question. Previously, he had requested jewels which would be used as the organs of golems, and parchment which would become their skin. Both must be at least eight hundred years old, he had implored, and in great amounts; even to the Yggdmillennia, whose blood had spread all over the world, searching for such things was most difficult a task.

…

As Darnic was leaving, he passed by Roche returning to the workshop. He was carrying a large amount of parchment and jewels in his hands.

"They've arrived, sir."

"Excellent. Let us begin the production of the large models straight away."

"Yes sir!"

Roche gazed at Caster—his own Servant—with respect.


Volume 1, Chapter 2, Page 72 and 73