>rome got conquered by supposed "barbarians"
>barbarians start aping rome and adopting their laws and customs
>barbarians end up becoming roman in spirit
what are some other cases of this aside from this and the manchu invading china?

>>17913715 (OP)
Post Sasanian Persia
90% of Indian history

>>17913715 (OP)
mongols

>>17913715 (OP)
Any Norman state