The Arkham Knight Saga: Part 5 of 5 - Written by Peter J. Tomasi. Art and Cover by Brad Walker and Andrew Hennessy. The finale of the Arkham Knight saga arrives as the Knight's surprising cult within Arkham Asylum unleashes its full power! Will Batman be swept under by the madness? Who is the Knight, to have inspired so much loyalty? And is there any way of stopping them that won't just cause their legend to grow?