... It affects all rare drops. Rare Catalog increases rare drops by 1.1x, 5 Starring battles increases it by 5x
I think that's Eden IIRC, you're one chapter away from finishing the game. After Eden, the Final Dungeon is next/last chapter. You're given the option to return to Gran Pulse before entering the Final Dungeon. Also, once you get to the room in final dungeon, you can also return back to portal floor and return to Eden/Gran Pulse before doing final boss.
XI Wiki


