No, I didn't start writing faster · 10:11pm Nov 18th, 2013
I wrote most of my latest story in July, between chapters of Clean Slate. As I neared the end of the story, I saw that it simply escalated too quickly, so I set it aside. Coming back to it, I added another lesson that made Twilight Sparkle's ultimate solution make a little more sense. (As much sense as can be allowed in a comedic story, of course.)
The story is another chance to develop my headcanon, where the ruling alicorns derive their immortality from the love of their little ponies, in a matter similar to deities in Dungeons & Dragons.
As for the subject of other alicorns, it's my headcanon that there must have been other alicorns born like Princess Cadance; she would be treated a lot differently if she were unique. Now, I've seen a lot of stories where she was born a pegasus, but if that were the case, then Twilight Sparkle wouldn't have been unusual. Ah, that higher power known as Hasbro moves in mysterious ways.
According to the official book Crystal Heart Spell(which is supposedly canon?), Cadence was born as a Pegasus.
I like that idea well enough, but then again the book had Trixie and Gilda working together and being friends(friends in DOING BAD THINGS of course), so I'm somewhat doubtful of the supposed canon-ness of that book.
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It's at least caught on as a backstory, considering the alternative is nothing. :B Granted, the full extent of that backstory is a little eh. (Not to mention it seems way easier to do what she did than what Twilight did.)