"Hyaaa ha ha ha ha ha!...Wait, why are you quoting me on that?!"
Throughout the history of Equestria, many alicorns had graced the world with their powers. From the first, alicorns were part of legend. In some places, alicorns were born, ruling their lands for hundreds of thousands of years through birthright. However, becoming an alicorn is no longer a matter of luck and birth. The Elements must see that the potential alicorn has earned it - and has learned the power of friendship doing so. And in the new group off-worlders, several have shown themselves to be capable of being alicorns - the power of the Elements can sense this goodness, this potential.
Then there's the one who claims to be anything but good even as their actions show them to have learned much in their time in Equestria. But little does this most badass candidate know that their final test of friendship is about to arrive, in the form of an ancient enemy of the princesses with impeccable timing and placing. And that enemy has set the candidate in their sights.
After all, it will be two years since the off-worlders arrived...and coincidence be darned, another battle looms for the fate of Equestria...
PLOT INFORMATION
For wibbly wobbly timey wimey-ness reasons, the events of the this first part of the mod plot will canonically happen April 1st.
That's right! Its another battle event, and losing means losing your cutie mark or powers!...again! We won't name names for whose idea this was, but...Ni. We do understand that there is some battle fatigue, and there has been a lot of mod-based battling and intensity recently, so the good news is, this is the last modplot battle event for the rest of the year. And, it will lead to the birth of the first new off-worlder alicorn!
AND, there is more good news! This ancient enemy from pony canon menacing Equestria, not being Calice, can be attacked, hurt and impeded! Actions by players will affect how much overall damage this enemy will be inflicting on Ponyville - and on other ponies, including your character ponies!
Similar to how the Calice battle went down, for characters who want to engage with this enemy, the ultimate outcome will be decided by RNG check. As before, if your character fails the RNG check, they will lose their powers for the duration of this part of the mod plot. Of course, if you want your characters to be de-powered, just let us know what you're planning and we'll dispense with the RNG. Unlike Calice's battle, fail numbers will be added to the RNG as the week goes by and enemy gets stronger, so a number that passed a character on Monday might not necessarily pass another character on Wednesday. How many numbers are ultimately added is decided on how many characters are de-powered as time goes by.
Also unlike with Calice's battle, powers and cutie marks will be returned on Sunday and losing your powers won't necessarily incapacitate your character. So if you want your powerless character to still help out in some way, that's absolutely possible!
Feel free to plot below; we're putting this up early so everyone can plan out what they're doing ahead of time!
So, in closing:

If you have any questions/comments/concerns, feel free to post about them here!