Percy Jackson meets the Flash

(Set after the second Giant War and I have no idea when this is happening in relation to the Flash. Also, there's Jercy and Leico instead of Percabeth and Solangelo)

When Sally Jackson is invited to the Writer's Digest Annual Conference (it's an actual thing, I looked it up) in Central City, Percy is ecstatic. Even more so when Sally tells him he can bring three of his friends along for the ride. But what happens when disaster strikes at the convention and Percy and his friends meet some of Central City's mightiest heroes?
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When meta humans attack the annual Writer's Digest Annual Conference that's being held in Central City, Barry and his friends dash in to save the day to find what appears to be four teenagers with meta human abilities fending off the attackers.

Barry and his friends wonder who those mysterious teens were. They had records of every single meta human in the city, and yet they had no idea who these teenagers were. Were they meta humans that managed to fly under the radar? Were they meta humans from another universe? Or were they something else entirely? Read to find out.

Fair warning, this is my first story and my first time writing something like this. I hope you like it, but I'm sorry if it's terrible.😅