Well that's one way to ensure Motoyasu won't listen to a word Naofumi says: claim the other two are dead and he killed them! Of course, it's pretty obvious they're really alive both because of plot armor and because the opening shows enough to raise doubts (I'm pretty sure we haven't seen all the party members shown, so it'd be weird to show the party they're traveling with after they're dead). But man, what a place to end the ep.
Once again I sort of wish the beginning of this series had included the descriptions of the heroes in the book.