The Keys of Hel (Anthology Short Story)

The Keys of Hel is a short story published in The Horus Heresy series that was originally part of an anthology. The Keys of Hel was published as part of the event exclusive Meduson anthology and then later as part of the Shattered Legions main series anthology in April 2017. The cover image used is that of Shattered Legions, as The Keys of Hel was never republished separately. The Keys of Hel is a sequel to the short story Riven.

Synopsis
Iron Father Crius of the Iron Hands Legions searches for forbidden technological knowledge, the Keys of Hel.