Can human characters acquire dissonance during play? If not, can they acquire discord during play, and if so, how?
[Canon] Humans do not ever acquire Resonances (that we know of) and therefore, never will have Dissonance. Their souls are much more free to improvise in the Symphony. Their nature doesn’t force them into certain modes of behavior which they must attend to or suffer a breakdown in their nature. They can start out with Discord, treating Discords like disadvantages. Humans can’t take Discords which are obviously meant for celestials (e.g., discolored). Discords can be acquired by humans during play depending on the situations they find themselves in. A human given a vision of Hell in all its gory might pick up a mental Discord. A human who is tortured might pick up any sort of Discord, especially a physical disability.