ruin as come to our familly .....

Pretty sure sacrificed is a bit strong of a description of what happens. They temporarily drain it from overuse. I never understood only using four unicorns when using more would have lessened the burdon on the others and made moving the sun and moon less taxing...

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Well ponies are idiots, so...

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Well it's not exactly a simple spell, the more people you involve, the more complicated it gets. 'tis a tricky thing, too few ponies means not enough power, but having too many participants risks muddying the spellwork and loosing control of the ritual.

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There is little canon explanation. IDW comic and journal of the two sisters are both noncanon and can't be used as reliable sources for an explanation...

Loving the atmosphere so far Looking forwards to reading more!

It’s awesome that this is going live!

Finally, the crossover we need but don't deserve, and if this chapter is any indication, you have nailed the atmosphere of DD. I look forward to this.

....well, that was....creepy and disgusting. Definitely an eye catching opener!!

This sure is a Darkest crossover <;