Chapter 19 of "Princess Flurry Heart, Destroyer of Worlds!" is here: "Pendulum" · 6:25am Jan 26th, 2017
And it is done. A new chapter of "Princess Flurry Heart, Destroyer of Worlds!" has just been finished and is available for your reading pleasure:
http://www.fimfiction.net/story/327590/princess-flurry-heart-destroyer-of-worlds