Demon Knights # 21 (DC Comics 2013)
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The Knights are ready to complete their mission but what happens to the world when Vandal Savage and Etrigan the Demon gain control of the Holy Grail?
Demon Knights # 21 is written by Robert Venditti with art by Chad Hardin and a cover by Howard Porter.
Demon Knights # 21 is a 32 page comic book in full color and rated T.
Note: All prices in US Dollars