Gustave has taken it upon himself to observe Marion and Sanglain following the death of the Princess and DT.   But KT thinks Gustave is in the city of Marquesas for other reasons. 
For us, there's no reason left to fight.
Para nosotros, ya no queda 
motivo por el cual pelear.
Nosotros ya no tenemos motivo alguno por el que luchar.
Para nós, não há mais razão para lutar.