Final answer:
Gilgamesh goes through several stages of development while attaining self-knowledge in the Epic of Gilgamesh. He learns that immortality is unattainable for mortals and accepts his own mortality, returning as a wiser and better king.
Step-by-step explanation:
In the Epic of Gilgamesh, the protagonist Gilgamesh goes through several stages of development while attaining self-knowledge. These stages include his arrogance and abuse of power as a tyrannical king, his encounter with Enkidu and the development of their deep friendship, and his quest for immortality. In the end, Gilgamesh learns that immortality is unattainable for mortals and accepts his own mortality, returning to Uruk as a wiser and better king.