In all the Legions the Terminators were the elites of the Legions, the ones who showed not only the combat skill but also the spirit of the Legion. Wouldn't it makes sense than that all TS Terminators would be masters of the sorcery of some kind and had psychic powers? Wouldn't it mean that all of them should've survived the Ahriman's spell because of that? I am talking from the pure logical point of view, not from the gaming point. I think GW will never make TS Terminators all sorcerers by default, even in a TS Supplement.