Four enclosed walls

Alla Alla Doom sits in gloom in his room Destroy the infidel In a mosque - In a ghost - Is a sword - Is a Saracen Alla Joan of Arc was a sorcerer The trilogy the desert sand Scriptures in the tower of Babble Alla Only ending is easy Burn - Burn - Burn In the tower Only ending is easy Alla Arise in the east The trilogy Alla Alla I take heed - Arise in the West. A new crusade.