Simon Spurrier 
Coda #1 [PDF ebook] 

Simon Spurrier (The Spire, Godshaper) and Matias Bergara (Cannibal, Supergirl) present a broken fantasy world that’s perfect for fans of Mad Max and The Lord of the Rings. In the aftermath of an apocalypse which wiped out nearly all magic from a once-wondrous fantasy world, a former bard named Hum (a man of few words, so nicknamed because his standard reply is "hm") seeks a way to save the soul of his wife with nothing but a foul-tempered mutant unicorn and his wits to protect him…but is unwillingly drawn into a brutal power struggle which will decide forever who rules the Weird Wasteland.