User blog comment:Skyzy/Watch the Thrones Review/@comment-25176701-20160213003949/@comment-26564154-20160213213148

Maybe he was against Azegada joining the coalition since according to JR the deal rested on his banishment. Although, Nia's conversation with Roan clued me in that she did not banish him - but it was still up in the air.

Omega, brought up the theory in another thread that Ontari kills Lexa, since there is a image of her blooded and seating on a throne.

But, I think she kills Roan and takes over the Ice Nation. She may not have moved again Nia - since she raised and groomed her, but Roan's loss to Lexa left him weakened.