Ragnarok Stadium

The Ragnarok Stadium (ラグナロクスタジアム) is a stadium located in the future, in the Inazuma Eleven GO Chrono Stone series.

Info (Chrono Stone)
It's the place where Raimon combined with El Dorado's Protocol Omega's members fight Feida in a soccer match.

Trivia

 * That stadium was created by Feida with the ruins of El Dorado's headquarters, which they destructed.