For 10 points, name this first unifier of the Getae and Dacians.
One of this man's chief advisers was Akornion of Dionysopolis. Strabo records that he led expeditions against the Thracians and Illyrians, and claims that he convinced his people to live without wine. His court wizard, Deceneus, is named by Jordanes as the lawgiver of the Goths, and was apparently worshipped as a god. This ruler destroyed the Boii and Taurisci and sought an alliance with Pompey Magnus in 48 BC; after Pompey was defeated, Julius Caesar began planning an expedition against this man, but both Caesar and this ruler were assassinated before an invasion could be mounted. (*) For 10 points, name this first unifier of the Getae and Dacians.
One of this man's chief advisers was Akornion of Dionysopolis.
Burebista