Yes, they have a city in a volcanic region called nadir but from where they came from in the eastern part of arinar it isn't mentioned that it is a volcanic region too.
I think the chainless league live on deserts port cities because of how they look, etc. and is said to live in the eastern parts of arinar. But I wonder what would be the goal there if there's going to be a map 5 desert location, etc.
From what I have gathered, many do not like the mercs both sentinels and legion side. Varying opinions, and many were once mercs. Old players, what are your thoughts about this issue in us-sapphire and other servers can have an opinion about this.