δι' ἐρημίας πολεμίων πορευόμενος → he marched on without finding any enemy, his route lay through a country bare of enemies
(ὤψ): in view, openly, Il. 5.374 and Il. 21.510.
ἐνωπῇ: adv. явно, открыто, в лицо (κακόν τι ῥέζειν Hom.).
abiertamente