Banner of the West

The is a symbolic weapon used in modern Western magic. Prologue
==Principles==
The Banner of the West is a symbol of exorcism, consisting of an equilateral triangle with a cross in the center. It protects the user by monitoring and rejecting evil power approaching their ceremonial grounds (such as something resembling Telesma out to attack humans). It is considered one of the most useful and convenient symbolic weapons in modern Western magic because evil and useless powers are affected while good and useful powers are left alone.
When using the Banner of the West against Coronzon, Aleister Crowley used the following chant: 
==Chronology==
===Shinyaku Toaru Majutsu no Index===
====Coronzon Arc====
When Coronzon manage to return from the 'new world' to the shutdown Academy City, Aleister temporarily sealed it with the Banner of the West, using an improvised method of connecting the city's roads to form the symbol, inspired by Karasuma Fran's earlier attempt to rescue Kamisato Kakeru from the 'new world'. This brought some time for Aleister to seek out the measures which Coronzon had placed in the British Commonwealth to prevent its destruction.
==References==
Category:Magic
Category:Terminology