On the Titular Hephtalite title:
I pondered this one quite a lot, and even consulted enlil as an external consultant of sort on this. At the end my understanding is that the titular title of Hunnia is the ramp state for Hephtalites, as this was the way they were called by the Indians. Plus, once the Hepthalites, whoever they really were, invaded urbanized Central Asia and controlled it for quite some time, they went through a process of "kushanisation", that is, creation of a syncretic culture which is no longer the old steppe nomadic identity. In Central Asia 2.0 I would like to give them a separate culture to model this. By contrast, the Huns in the Tian Shan are the remnants of the those who "staid behind" and took refuge in inaccessible mountains, clinging to an old lifestyle and surviving the Turkic migrations there. Still, my intent for Central Asia 2.0 is to use this area to better represent some minor heavily Chinese-influenced nomadic Turkic tribes, probably the Kara-Khitai - a very interesting Turkic power.