The store also sells packs of amylase crystals which are used in Herblore to create stamina potions. Players may recolour their graceful outfits to one of five different colours by talking to Osten in the Shayzien House in Great Kourend after getting 100% favour in any house of Great Kourend. Each piece of the outfit will cost 15 marks of grace, requiring 90 marks of grace to fully recolour an outfit.