Rift Quest:To Catch a King  

The summoning area can be found at (5712, 1661) in Moonshade Highlands. Use the Book of Faer Binding to summon The Attercop King. He is a 42 elite that hits quite hard and can mana drain, it is advisable to bring friends. When his health reaches near 10% use the Crystal Decanter on the ground underneath him. After he dies collect the Decanter with King Attercop's Spirit.