Dark times are falling on Equestria. Though the Moon Kingdom has returned, the Dark One is gathering his forces, preparing to strike out at the Princess of Friendship in order to lay claim to what belongs to Him.

It will take everything that Twilight, Rainbow Dash, Luna, and Nightingale has to win.

They will need it, for Twilight's sanity hangs in the balance.

The Guardian of Darkness comes, and his arrival will shake the foundations of Equus.

This story is a direct sequel to Princess of Shadows, Darkness, and Light. Reading of the prequel is not required, though is highly recommended.

All characters, save for original characters, belong to Hasbro. This story complies with Free Use laws.

*Gore rating for graphic content
*Sex tag for suggestive themes; there won't be any clop. I can't write clop; my mind is too twisted for it.