“ The blood of a dragon is vital in the creation of potions of longevity. The liver could used to cure any disease or ailment, while the heart could restore a PC to full and complete health, despite their age, or injury.”
“ The PCs are stuck in a town with a strict peace policy, the tiniest scuffle can land you years in prison. The town also happens to be a tourist haven, so inn-prices have skyrocketed. The only way the PCs can rest is if they splurge on a room, with their enemy.”