Hera became jealous of Heracles and drove him made and he ended up killing his family, he pleaded for forgiveness from the king and the king set 12 nearly impossible labours for Heracles to do and he said if Heracles did them all then he would be forgiven of his crime.
1. He had to kill a lion which had inpenitrible skin, he strageled it and the used the liones claw ( the only thing that could cut through the skin) and sknned it into a cloak to protect himself.
2. The Hdra was a monster which when you cut off its head two more grow in its place to solve this when he cut off its head he set it on fire straight away.
3. He spend a year looking for the Cerynitian…