6819b3a9_sks___Guides___Zybez_Runescape__Strategy
[Task] Kill a Ghast in Morytania [Requirement] Nature Spirit [Complete] 35 [Strategy] 
Use a Full Druid pouch to make a Ghast attackable. Killing Ghasts in Temple Trekking will not work.
Morytania Tasks - Guides - Zybez Runescape