戦国 せんごく七雄 しちゆうであれば
sengoku shi chiyūdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 戦国七雄

1. If/When the seven most powerful daimyō of the Sengoku period…; If the seven most powerful daimyō of the Sengoku period were…

Ba Conditional