United Cities of Salleria: Burn Together - United Cities of Salleria

The United Cities of Salleria is an explosive Post-Apocalyptic Techo-Thriller four-book series, in which the first book follows the realistic events of an EMP attack and what the aftermath might look like from former Special Operations Intelligence Sergeant Antonio T Smith Jr. Ashton, "The Ghost", Jace was born and raised in a secret society of assassins and is now arguably the greatest Special Forces solider of all time.
His last mission for the United Cities of Salleria inadvertently starts World War III when the North Kangavarian military launches a series of EMP attacks over the United Cities and leave it in complete darkness before they invade and kill millions of innocent people. Meanwhile, a convicted serial killer, who hates Ashton, escapes from a Supermax Prison and successfully murders everyone responsible for putting him in prison.
His number one target, "The Ghost".  While The Ghost is be saving the world, he is unknowingly hunted by multiple serial killers and their loyal followers, who murders half the city on their way to cornering The Ghost once and for all. Will The Ghost be able to save the world before the serial killers ends his life?