[quote=Sublimation]
Kayneth coming to wipe the floor with everyoneKiritsugu hired by the EinzbernsKariya for a wish and ZoukenTokiomi to reach Akasha Uryuu didn't even know he was in the warWaver to prove himselfI guess it's similar, but only two of those were high tier mages
[/quote]

Nani

Kayneth was the only high-tier magus in the fourth war.