Preacher, Book 1 by Garth Ennis

In this gripping and darkly humorous graphic novel, a disillusioned preacher from Texas, Jesse Custer, becomes the host of a powerful entity known as Genesis, which grants him the ability to command others to follow his will. Joined by his gun-toting ex-girlfriend, Tulip, and a hard-drinking Irish vampire named Cassidy, Jesse embarks on a cross-country journey to find God, who has abandoned Heaven. Along the way, they encounter a bizarre cast of characters, including a relentless cowboy assassin and a twisted religious cult, all while grappling with themes of faith, morality, and redemption.

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