The fourth battle of Wakayama Castle is between Ichinotani Tenma and Anayama Kosuke.  Anayama says "Justice" a lot.  He attacks Tenma with his warped sense of justice.  A badly wounded Tenma continues to fight, hoping for just one thing: to meet the father and mother he's never seen.
Tenma, fulfill your duty as soon as you can.
Tenma, debes cumplir con tu deber enseguida.
Tenma, cumple con tu deber.
Tenma, complete seu objetivo 
o mais rápido possível.