Kings of War (4th Edition)

From BoardGameGeek:

The Kings of War Rulebook contains everything you need to learn the game and build lists for 16 unique factions. Kings Of War is the elegant, mass-battle fantasy wargame. The fate of Pannithor is in your hands! Crafted by legendary games designer Alessio Cavatore, this brand-new book is packed with everything you need to muster your soldiers and march them to war! Inside this stunning hardback book, not only will you find core rules and stats, advanced mechanics, and army lists, but you can also delve deeper into the ever-evolving world of Pannithor with the latest background stories and artwork. Command legions. Shape history. Rule the battlefield. -description from the publisher