Elder Python Venom

Elder Python Venom is a venom derived evadently an elder Python. Luke used it to poison Thalia's tree, thus forcing Camp Half-Blood to send a quest to retrieve the Golden Fleece from Polythemis's Island. The golden fleece not only healed the tree, but Thaila as well. It is mentioned n the (The Sea of Monsters). Occording to Chiron, the camp diretor, it origanates from Tartarus.