Heracles Slay the Nemean Lion. 2. Slay the nine-headed Lernaean Hydra. 3. Capture the Golden Hind of Artemis. 4. Capture the Erymanthian Boar. 5. Clean the Augean stables in a single day. 6. Slay the Stymphalian Birds. 7. Capture the Cretan Bull. 8. Steal the Mares of Diomedes. 9. Obtain the girdle of Hippolyta, Queen of the Amazons. 10. Obtain the cattle of the monster Geryon. 11. Steal the apples of the Hesperides (he had the help of Atlas to pick them after Hercules had slain Ladon). 12. Capture and bring back Cerberus. After completing these tasks, Heracles joined the Argonauts
Giants (Greek mythology) remark that Eurymedon "brought destruction on his froward people" might possibly be a reference to the Gigantomachy and Hesiod's remark that Heracles performed a "great work among the immortals" is probably a reference to Heracles' crucial role in the gods' victory over the Giants. The Hesiodic "Catalogue of Women" (or the "Ehoia") following mentions of his sacks of Troy and of Kos, refers to Heracles having slain "presumptious Giants". Another probable reference to the Gigantomachy in the "Catalogue" has Zeus produce Heracles to be "a protector against ruin for gods and men". There are indications that there might have been