Before they can leave for Arrakis, Duke Leto and his House encounter new allies with incredible powers while on Caladan. Crossover with Marvels The Avengers, Justice League TAS, My Hero Academia, Bionic Six, Power Rangers Ninja Storm, Evangelion, Gundam Wing, Sekirei, He-Man and the Masters of the Universe.
It is the year 1390 B.G. The Old Empire is in it's prime under Grand Emperor Enno IV. But everything ends, and here we see the events which will lead to the Butlerian Jihad and ultimately Dune take shape. The Harkonnen Chapter plots to overthrow the Imperial dynasty, meanwhile the Imperium's Grand Religion is being questioned more and more, and rebels lurk on the planet of Arrakis.
Instead of begin reborn as a Ghola, Duncan Idaho, swordmaster in the service of House Atreides, find himself reborn in the World of Ice and Fire, where he destined to be swordmaster in the service of House Stark of Winterfell.
It is time for Muad'Dib to die. He looks back at his life...and his deepest secrets.