Would it be possible that the Noricans, formed a breakaway realm or a confederatuion like the gauls did ? This breakaway realm would look similar to this:
Sorry the wrong picture. i update soon. basically i mean a breakaway realm consisting of Noricum, Raetia and parts of France (roughly the area of the rhone alpes and Alpes-Côte d’Azur) and Northern italy (Lombardy, venetia, emilia and toscany)