Orphen is asked by Claiomh to find out why two of the swordsmanship dojos in town are in conflict with each other. The reason appears to be that Lottecia and Ed were fighting over Lottecia's late father's sword, Freak Diamond.
That's a separate matter.
ذلك موضوعٌ مُنفصل
Das ist ein anderes Paar Schuhe.
Eso es otro asunto.
Eso es asunto aparte.
Ça, c’est une autre histoire.
Quella è un'altra storia.
São coisas diferentes.
Это совсем разные вещи.