At the centre of the east pediment, after all, was the miraculous birth of the goddess Athena from the head of her father Zeus ... And then as if I hear the chisel of Phidias leaving the marble to ...

As such, you can only encounter Athena on the Surface route, and she will only appear as a "Divine Intervention" at random in one of the rooms in the new Olympus location. Thankfully, despite only ...