Is Rase a Force for Harmony?

We know that odium is not going to be running around destroying other shards, because he has to say on rochar for whateverr in the rocharn system. Rase is captive. He cannot leave the system. So that's a really important piece of information to know. And then we also go on to find out in this letter that millennia have passed without rasa taking the life of another of the 16,. which most likely refers to honor as the last one that he killed.