Also I don't think it's because of Krile why we need 3.1 main story complete. So far the new Side Story of the Primals has been with Urianger and Unukalhai. At the very end of 3.1 we saw those 2 talking with each other and there was a very small glimpse at another character who seemed to overhear what they were talking about. I think because this character will be involved with the quest chain, we will need to finish 3.1 to continue it.