Inwit is an Imperial Ice World and the capital world of the Inwit Cluster of the Segmentum Solar. Inwit also serves as a sector fleet base for the Imperial Navy and the assembly ground for local Astra Militarum regiments. Inwit is best known for being the homeworld of Rogal Dorn, the Primarch of the Imperial Fists Legion, who spent a significant portion of his life on Inwit before he was rediscovered by his father the Emperor of Mankind during the Great Crusade in the late 30th Millennium. Dorn lived amongst the ice-tribes who called Inwit home and considered one of the chieftains of these tribes to be his adoptive grandfather and chief childhood mentor. The world's population was said to inhabit massive ice-hives and its actual level of technological advancement remains unclear. The peopl