Ren is haunted by the deaths of his party members in a failed attempt to defeat the Spirit Tortoise, and doesn't want to believe that he might be responsible for what happened.  Myne seems ready to take his side and support him, but...
I know all about this world!
!أعرف كلَّ شيء عن هذا العالم
Ich weiß doch alles über diese Welt.
Lo sé todo sobre este mundo.
Lo sé todo sobre este mundo.
Et puis, je sais tout de ce monde !
Conosco questo mondo per filo e per segno...
Eu sei tudo desse mundo!
Я же этот мир как облупленный знаю!