We know that there are 16 shards in total, and we know that Odium has killed 4 of them (Ambition, Honor, Devotion, and Dominion). Devotion and Dominion have been left in the Cognitive Realm, and are the force of Dor .

Why is odium killing shards?

Odium is one of the sixteen Shards of Adonalsium. In a vision given to Dalinar, it is revealed that Odium had killed the Almighty, although his means in so doing remain unclear. ... His reason, however, is his ultimate goal: to become the most powerful entity in the cosmere.

Did odium kill devotion and dominion?

Eventually, Odium came along and splintered both Shards, effectively killing them. Following their destruction, the Investiture of Devotion and Dominion was pushed into the Cognitive Realm, creating the Dor.