Deathmatch 2 - Return of the Death
Deathmatch 2 - Return of the Death is a non-canon short story released through Will's mailing list on December 31, 2016. It describes a fight to the death set up by the Abidan between the Emperor and 8 of the Incarnations, all except Ragnarus, Elysia, and Valinhall. It is from the Emperor's perspective. The Emperor wins with little effort.
The story can be found at this google drive link.