Second Stage Children

Second Stage Children (セカンドステージチルドレン) is a group that El Dorado is afraid of.

Info (Chrono Stone)
They were mentioned briefly in Episode 2. It was said that they descended from talented soccer players, which is the main reason why El Dorado wants to eliminate soccer. They are also known as Feida.

In the Episode 7, it was said by Gouenji that he and Senguuji Daigo, with the help of the "Dedicator X", created the group in order to find children whose are able to surpress their time. He also said that Tenma is one of these boys.