Jogre bones can be lit with a tinderbox and 30 Firemaking to make burnt jogre bones, gaining 90 Firemaking experience. Burnt bones are used with Karambwanji paste during the Tai Bwo Wannai Trio quest to make Marinated j' bones. You can still bury the burnt jogre bones for 16 Prayer experience, so it is recommended to burn, then bury. If a player selects "light" without level 30 firemaking the player will receive the message "You need a firemaking level of 30 to burn Jogre bones. You could find some other way of burning them.", hinting that you need to use a furnace to make burnt jogre bones.