The Tyrant and the Fool (愚者と暴君 Gusha to bōkun) is the eighth novel of the Strike the Blood series.
The revival of the true Fourth Primogenitor is nigh!
When Kojou Akatsuki was a junior high school student, he met a vampire named Avrora...and then he saw her again when travelling to the hospital to visit his sister. When Kojou learns this mysterious, quiet girl could be the key to saving Nagisa's life, he helps her escape the Magna Atraxia Research lab. With the arms dealer Zaharias planning to use Avrora in his Blazing Banquet, can Kojou stop the revival of the true Fourth Primogenitor and save Itogami Island?
- Chapter One: The Fugitives
- Chapter Two: Avrora, The Twelfth
- Chapter Three: Blood Servant
- Chapter Four: The Last Supper
- Chapter Five: The Tyrant and the Fool
The volume has not been adapted into an anime.