As we learned from Rumpel himself, he has a large estate, and if you notice in his large sitting/dining/gold spinning room he has a very interesting axe and crossbow on one of his “pedestals”:
We know the amazing Jane Espenson has penned many scripts for many shows I could fanboy faint about, but one show in particular she wrote for included the Scythe/Axe and Crossbow that were used by a famous Vampire Slayer (Confirmed by a number of listeners who emailed the podcast).
I’m thinking the implements of Vampire destruction were included as a tip of the hat to one of Jane’s awesome accomplishments.