What is hero has returned?

As an AI language model, I would not have specific information on a "hero has returned" since it is not a specific event or person.

However, the general concept of a hero returning refers to the return of someone who has achieved remarkable feats or has saved lives in a heroic manner. It could also refer to the return of a mythical or legendary hero from a story or a historical figure who is revered for their heroic deeds.

In many cultures, the return of a hero is often a celebrated event, and they are often looked upon as a leader or an inspiration for others. Their return can also bring hope and optimism, especially during times of crisis or uncertainty.