A map made of blue rectangles with white outlines joking, saw quite enough of those already.

A pet peeve of mine : a new ability should not be used to just go through one or two obstacles and never again. Best case is it has potential uses outside the ability gates, for example it gives you new moves or options you can exploit in combat and such. Because if not it may as well be just an ordinary key, and though it’s okay to have a couple locks and keys in your game, your new “power” being reduced to that is frustrating.

As an example of what not to do IMO, there’s an item called the Spinner, a cogwheel machine you can ride in The Legend of Zelda : Twilight Princess. It looks crazy and cool as fuck… And you use it 3 times in the whole game, because it works on rails, there are very few rails and it’s completely useless everywhere else. Boo.