As weapons used by Roboute Guilliman in life, the Gauntlets are a sacred artefact to the Ultramarines and their Successor Chapters. They are only ever used by the Chapter Master of the Ultramarines, and at all other times they rest within a crystal case in the Fortress of Hera, the Ultramarines' fortress-monastery on Macragge, in the Temple of Corrections' Shrine of the Great Primarch, on display next to where the mortally wounded body of Roboute Guilliman himself is kept in stasis. Such is the reverence of the Ultramarines for their Primarch that only their Chapter Master, currently the Lord Macragge Marneus Calgar, is ever permitted to wear the Gauntlets of Ultramar. Even the Ultramarines' Chapter Master will only don the weapons when he is called to battle in person, honouring his gene-