How I think a Nova works
Say, you wish for a simple sandwich right?
Well... what kind of sandwich? What condiments, ingredients? Does it have to be edible?
What's the definition of a sandwich? Is a HOTDOG, a Sandwich?
No matter how many descriptors you add, language is an inherently imprecise way to describe the mind and a subset of possibilities, yet the power to pull from an infinite amount of options is reality breaking on its own.
To prevent Novas from overheating or spontaneously combusting, Novas were "programed" to pick one possibility randomly of the narrowed out options.
However this predicament is entirely avoided if you're a psychic, of course, but they left long ago along with the magic ancients.
some headcannons/notes
I think because of the immense power and the need to comprehend a near infinite amount of possibilities in a bracket, they just forcefully became sentient, and thus difficult to work with.
although they stopped the nova's from melting or combusting from a regular natural being, psychics and other magical creatures/things are still needed to get a precise answer.
i imagine it being a profession to ask someone's wish before the magic and technological ancients split off.
these guidelines have been lost to time, ensuing world ending disasters for Kirby games.
Novas being sentient, the simply interpret your wish into what they want to happen when only spoken in a language, probably just to fuck with people.
