Birth - the hero is born, usually through some prophecy or of some form nobility, such as being touched by the gods.
Call to Adventure - the hero is put on a large quest (Jason, Beowulf) or a series of smaller quests (Hercules, Sunjata).
Helpers/Amulet - Perseus is spared from death as a child by more than luck, he later receives magic items from the nymphs and Hermes.
Crossing the Threshold - the hero must face some ordeal early on, such as Sunjata's early exile or Perseus'or the Argonauts departure from their known world into a supernatural or extraordinary world.
Mentors / Helpers - Enkidu in Gilgamesh, Sologon, Sunjata's mother, etc.
Trials and Tests - Any of Hercules' 12 Labors are literal tests. Emotionally, love is often tested in the epics.
Climax/Final Battle - Beowulf defeats Grendel
Revelation/Return - Aristotle called this anagnorisis, or the moment the hero has some revelation about themself or accomplishes their goals and must now go back to the normal world.
Transformation - The hero has been changed somehow, and sometimes it is death (Achilles).
Atonement - Oedipus has to atone for his sins, Agamemnon has to return Chryseis to stop the plague, etc.
Return from the Unknown to a Normal Life - Perseus returns with Medusa's head to a “mortal” world.
