Grand Opening! The Final Battle, Ragnarok!! (壮絶(そうぜつ)開幕(かいまく)! 最終決戦(さいしゅうけっせん)ラグナロク!!, Souzetsu Kaimaku! Saishuukessen Ragnarok!!) is the fortieth episode of the Inazuma Eleven GO Chrono Stone series.
Grand Opening! The Final Battle, Ragnarok!! (壮絶(そうぜつ)開幕(かいまく)! 最終決戦(さいしゅうけっせん)ラグナロク!!, Souzetsu Kaimaku! Saishuukessen Ragnarok!!) is the fortieth episode of the Inazuma Eleven GO Chrono Stone series.