·Direct
Polybus was among the party physically gathered on the rising slope of the plain of Troy.
See evidence text
“The Trojans, on the other side upon the rising slope of the plain, were gathered round great Hector, noble Polydamas, Aeneas who was honoured by the Trojans like an immortal, and the three sons of Antenor, Polybus, Agenor, and young Acamas beauteous as a god.”