[Brotherhood... is this some kind of club for that Assassin game?

And yet, the guy is talking about eliminating an actual cult leader and Ignis can't help but frown. What did Prompto get himself into?]

Yes. Because of there is a game I am rather reluctant to accept that this goes farther than some kind of club gathering. But you also say you dispatched a cult leader.

[So now he has no idea what to think.]

...what is the purpose of this group?