I suppose that it depends on how one plays the game.
I, personally, never found Quina to be very useful at all, but I've spoken with people who had Quina as one of their main party members, and spoke highly of his/her usefulness in a battle. So it depends.
I, personally, never found Quina to be very useful at all, but I've spoken with people who had Quina as one of their main party members, and spoke highly of his/her usefulness in a battle. So it depends.