Ostrogoths

Germanic group from the north of the [Black sea]? that entered the late Roman Empire in the 4th century.

Arianism

Directed to settle in Italy as a counter to Odoacer?.

Theodoric? the Great's rule of Italy. Boethius - Cassiodorus? - Amalasuntha - Narses?

Theodoric's afterlife in Epic? poetry.

Conquered by Byzantines under the general Belisarius? in the reign of Justinian?.