Pyraechmes was, along with Asteropaeus, a leader of the Paeonians in the Trojan War

Trojan War

In Greek mythology, the Trojan War was waged against the city of Troy by the Achaeans after Paris of Troy took Helen from her husband Menelaus, the king of Sparta. The war is among the most important events in Greek mythology and was narrated in many works of Greek literature, including the Iliad...

. He came from the city of Amydon

Amydon

Amydon was the Homeric capital of the Paeonians in the lower Axios region of Amphaxitis. The exact location seems to have been unknown in historical times. According to Strabo, Amydon was later called Abydon but it was destroyed.-References:*Iliad B 1031...

. Although Homer mentions Pyraechmes as the leader of the Paeonians early on in the Iliad

Iliad

The Iliad is an epic poem in dactylic hexameters, traditionally attributed to Homer. Set during the Trojan War, the ten-year siege of the city of Troy by a coalition of Greek states, it tells of the battles and events during the weeks of a quarrel between King Agamemnon and the warrior Achilles...

, in the Trojan Catalogue, Pyraechmes plays a minor role compared to the more illustrious Asteropaeus, a later arrival to the front. Unlike Asteropaeus, Homer does not provide a pedigree for Pyraechmes (although Dictys Cretensis

Dictys Cretensis

Dictys Cretensis of Knossus was the legendary companion of Idomeneus during the Trojan War, and the purported author of a diary of its events, that deployed some of the same materials worked up by Homer for the Iliad...

 says his father was Axius - also the name of a river in Paeonia). Pyraechmes was killed in battle by Patroclus

Patroclus

In Greek mythology, as recorded in the Iliad by Homer, Patroclus, or Patroklos , was the son of Menoetius, grandson of Actor, King of Opus, and was Achilles' beloved comrade and brother-in-arms....

: dressed in Achilles

Achilles

In Greek mythology, Achilles was a Greek hero of the Trojan War, the central character and the greatest warrior of Homer's Iliad.Plato named Achilles the handsomest of the heroes assembled against Troy....

' armor, Patroclus routed the panicked Trojans, and the first person he killed was Pyraechmes.