Tired of war Demetrius surrendered Surrendering himself to Seleucus I Nicator in 285 BC , leaving Departing Antigonus as the Antigonid heir to the Macedonian throne .

Rome 's victory ended Process_end the Antigonid dynasty and brought Bringing an effective end to the independence of the Hellenistic kingdom of Macedon , although formal annexation was still some years away .