At the Lighthaven Mage tower find Iraltok. Say Runic Scripting Kit to him and he will ask you to bring him a pouch of yellow powder, a flask of goblin blood, a feather, a diamond, a vial of spider venom and 1000 Gold Pieces.

• You can find yellow powder from Araf Kul or from Roshnak Tul
• Flask of Goblin Blood from Goblin Subchief/Warchief/Warlord & Count Hemogoblin
• Feather from Goblin Chieftain/Warchief & Orc Shaman
• Unordered List ItemSpider Venom from Dark Spiders
• Unordered List ItemDiamond from Lord Sunrock's chest

Also, consult the items chart for more information and drops

When you collect all the above items return to Iraltok and say Make Runic Kit.

Gain:

• Runic writing kit

Note: You can do this quest as many times as you want.