Achilles is the greatest Greek warrior in Homer’s Iliad, but the poem does not call him physically invulnerable. His defining traits are speed, martial excellence, intense anger, grief, and a short life chosen for lasting fame.
Achilles in the surviving tradition
The Iliad opens with Achilles withdrawing from battle after Agamemnon takes Briseis from him. His absence allows the Trojans to press the Greeks. Patroclus enters battle wearing Achilles’ armor and is killed by Hector with divine involvement. Achilles returns, kills Hector, and abuses the body until Priam enters his shelter and asks for his son’s return.
Texts, objects, and evidence
The meeting with Priam brings the poem to an act of shared grief rather than to Achilles’ death or the fall of Troy. Later works tell how Paris kills Achilles, often with Apollo’s help. The famous story that Thetis dipped the infant Achilles in the River Styx and left the heel vulnerable appears in much later sources, not in Homer.
Key points
- Parentage: Achilles is the son of the sea goddess Thetis and the mortal Peleus.
- Choice: A prophecy gives him a choice between long obscure life and short glorious life in the dominant tradition.
- Patroclus: Ancient readers interpreted their bond in different ways. The Iliad makes its emotional force central without using modern identity labels.
- Armor: Hephaestus makes new armor after Hector takes the set Patroclus wore. The shield receives an extended poetic description.
How to read the material
Invincible warrior is a misleading title if treated literally. Achilles can be wounded, grieves deeply, depends on divine aid, and dies outside the Iliad.