If this is part of the Demon Slayer quest, then the link below should direct you to your answer.
Chat with our AI personalities
A quest walkthrough for Demon Slayer can be found here: www.runescape.wikia.com/wiki/Demon Slayer
look on runehq
Take them to Xena and she will give u Gp for them
By doing Demon slayer quest
Talk to Gypsi Aris and she will give you it.