If Q is legitimate, there isn't any hocus pocus or mystical stuff involved with it. It's just a series of messages that people can reference if they want to communicate something.

For things not coming true, either that was a breadcrumb meant to look like it was talking about current events but really talking about future event. An example of that is this post here.

When in the past 3 years was there supposed to be a "transition"? We assume because it mentions Huma that it was specific to something in 2018, but with the Huma tweet, we have potential verification that Q is legitimate.