Bashbarza is in a rage after being reprimanded by the Demon King for losing the mythril mine. Meanwhile, in Lux Village, the mood is a celebratory one. Dariel runs into an old coworker and sees an opportunity to prevent conflict between humans and demons.
Then, for the negotiations 
to proceed smoothly,
،إذاً، ولكي تمضي المفاوضات بسلاسة
Würdest du mir dann bitte vermittelnd
bei den Verhandlungen helfen?
Entonces,
si queremos negociar con ellos,
Entonces,
si queremos negociar con ellos,
Dans ce cas,
pour mener à bien les négociations,
Allora, per far procedere 
senza intoppi le negoziazioni,
Então, para que as negociações
ocorram sem problemas,
Что ж, тогда не могли бы вы