Yoshiteru has planned the ultimate revenge against her former classmate Yagyuu Sekishuusai.  But Sekishuusai seems to be one step ahead, until Nobunaga appears.
That just means your luck 
wasn't good enough.
Si eso sucede, eso demostrará 
qué clase de suerte tuvimos.
Si eso sucede, así quedará claro qué clase de suerte hemos tenido.
Só quer dizer que você teve má sorte.