Don't pay for this. People burn robes all the time in order to get pearls for RF. PM me in game to work out getting free.
http://wiki.project1999.com/Blood_So...ic_Priest_Robe is turned in to get Natasha to spawn so you can get shell 2 and pearl. It trade-able, so all you need is a friend who was going to turn it in anyhow. I have many friends who would be "your friend" in this situation.