A fully grown Cat in the inventory. Cats are fully grown kittens. Their only use is to trade them for 25 death runes (not 100 as in RuneScape 2) to civilians in West Ardougne. Once you have fully grown cats and only fully grown cats, you can purchase another kitten from Gertrude. Retrieved from "https://runescapeclassic.fandom.com/wiki/Cat?oldid=11425" Categories: Items Community content is available under CC-BY-SA unless otherwise noted.