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. 
However, KT had decided to 
stop him even if it would take
Sin embargo, KT estaba decidida 
a detenerlo incluso si
Sin embargo, KT estaba decidida 
a detenerlo
No entanto, KT decidiu detê-lo,
mesmo que isso fosse