His long, projecting beard juts out parallel to his long, projecting nose. In the heroic scenes of Greek mythology, a hero ought to be victorious over awful and implacable monsters according to the will of the divine gods.
The description emphasizes the hero's prominent facial features: a long, extending beard that aligns with his equally extended nose.  In ancient Greek myths, heroes are expected to defeat monstrous adversaries under the guidance of the gods.