Forgeworld released a new teaser video for their next book in their Horus Heresy series. The Horus Heresy: Book Five Tempest will be released this Spring 2015.

From previously released information, the book will feature Ultramarines, Word Bearers, Mechanicum, Imperial Militia, Warp Cults, Knights, and Titans. It also focuses on the Word Bearers assault on Calth as well as background on the chapter, the background on the Ultramarine Legion, more information on Knights and Titans, a campaign, lists for Imperial Militia and Cult armies, as well as new rules including new Legion units.

It will be followed by book six which is the Shadow Crusade which will be out some time in 2015.