The criteria for these is usually popularity but I swear there is no sword like the Monado in any other game in terms of importance , concept , design , lore and just how series name is influenced by it. The Monado is essentially a character that the other 3 just can’t compare to
whenever someone tries to complain about the re:mind dlc i die laughing because they use atlus re-releasing entire fucking games with the extras as reference whereas square only released the dlc and thats all