For example, my current book that I'm searching an agent for started with an idea, around siblings. They were going to have powers. Then it went to powers controlled by the mind and it took off from there. I may be a plot person, who loves a good action scene and lots of cool things happening, but they still start with one thing and that is it still centers around characters.
How do you guys work through your ideas? Do you just write it all out and let it come out of the writing? Do you come up with characters first, or plot first and then come up with the characters? I'm just curious on how your ideas manifest.