You can get the ore by visiting any furnace within Runescape. (65 Smithing Required) and you'll receive the Magic Bar. Next cut the gem. (50 Crafting Required) and OSRS Gold then tie it using a Magic String. Once you have this, you will be able to create an Magic Amulet. Then, take the ashes you obtained from killing any demon and apply it to the gem. Once you have this, you'll be able to create a Demonic Amulet. It can be worn once you have 55 Magic. Return to King Narode, and talk to him.
King Narode Shareen: Have you visited Zooknock? Yes. And? He provided me with all the equipment I needed to make this Demonic Amulet. Excellent, fantastic. You'll probably have to learn something about demons. Although Glough is a lying backstabbing liar, Glough is an authority in demons. Go stop by, but I'm sure you won't have an easy time convincing him.
Visit Glough's house. Hello, it's just YOU. That's me. Stop mocking. Why are you here? Please tell me all about demons. Not a chance! Are you sure? Yes! Fine then. Contact Glough again Make sure that you've got your Ring of Charos(a) with. Will you tell me now? Yes. Okay I'm going to tell you about Demons. A Dark Wizard is required, or someone with dark magical power. Then, you can make use of these terms.
Glough writes the words onto a piece of Papyrus, and offers it to you. Glough breaks off away from it. Escape before he notices you, then go on to kill the Dark Wizard (any level) and he will talk to you after the level reaches zero. Ah! What do you want? I need you to help me in this.
You give the Papyrus to the wizard. I don’t understand this spell. However, I'll need 20 Death Runes and 40 Air Runes. It's visible. Now, just wait. Remove your Demonic Amulet and talk to Buy RuneScape 2007 Gold him again. Are you ready to go? Let's get started.