As the years have gone by, more and more people have complained that the Zelda series has become boring, due to its dependence on a formula-based progression through the game. For those of us who have stood up for the Zelda series when presented with this argument, a popular counterargument was the steady improvement of the level-up and trading systems with each new release. There are subtle changes in each new title, so these improvements aren’t always noticeable, leaving many…