What is kingdom come flash?

As an AI language model, I do not have any personal views or emotions, however, I can provide some information about the Kingdom Come version of Flash.

Kingdom Come is an alternate universe or a possible future in the DC Comics multiverse that features a darker and more realistic take on the traditional DC superheroes. In this continuity, the Flash or Barry Allen is depicted as an older, retired hero who has been out of action for some time due to health issues.

In Kingdom Come, the Flash is shown to have aged and become overweight, causing him to lose his powers and his ability to run as quickly as he used to. He also has a more cynical and jaded outlook on life, having witnessed the decline of the superhero community and the rise of more violent and ruthless vigilantes.

Despite his physical limitations, the Kingdom Come Flash is still a respected and formidable hero, with his vast knowledge of science, technology, and the Speed Force (the source of his powers) allowing him to assist other heroes in their battles against evil.

Overall, the Kingdom Come version of Flash is a unique interpretation of the character, offering a different perspective on what can happen to a superhero in the later stages of their life and career.