The key points start with Kratos' life before the tragedy. He was a Spartan, a fierce warrior. But then the unthinkable happens when he kills his family. This sets him on a path of vengeance. He has to fight a lot of big - name monsters in Greek mythology. For example, the Hydra was a really tough opponent. His relationship with the gods is also a key part. Athena tries to guide him at times, but he also has conflicts with other gods. And finally, his transformation into the God of War is a huge moment in the recap story. It changes everything for him and the world he lives in.
One key point is Kratos' origin as a Spartan. His family's tragic end at his own hands is crucial. Another is his battles with powerful foes like the Hydra and Cyclops. Also, his interactions with the gods, such as Athena, are important. His journey to become the God of War and his quest for revenge against Ares are major aspects.