You need to gather:

• 1 vial of goblin blood
• 1 yellow powder
• 1 feather
• 1 vial of spider venom
• 1 diamond
• 1,000 gold pieces\

Kill goblins to obtain a vial of goblin blood.
Kill Araf Kul or Roshnak Tul at the Orc camp to obtain yellow powder.
Kill Orcs to obtain a feather.
Kill black spiders in the Arakas labyrinth to obtain a vial of spider venom.
Find a diamond in Lord Sunrock's chest in Windhowl.

With 1,000 gold pieces, bring all these ingredients to Iraltok (located in the Mage Tower in Lighthaven) using the keyword: create a rune writing kit.

Reward:

• Rune Writing Kit (unlimited)