They are the most wonderful weapons I could ask for. They were once the personal weapons of one of the Burning Legion's most powerful demons. My reward for slaying him.

Of course, I shall pay for both blades, doubling your usual fee. And beyond that, I will offer a sum of half again as much, for the extra effort required to craft each weapon properly.

[In his mind, they're worth more than that, even a wooden replica. But in his mind, they're virtually priceless, and as much as he's rather liking this woman, he'd rather not end up to his blindfold in debt to her. Besides, he doesn't even know what her "usual fee" is.]