More than a thousand years ago, a group of highly-skilled mages known as the Warlocks served under Princess Luna as her personal guard. Following her transformation into Nightmare Moon and subsequent banishment, the Warlocks found themselves without a purpose and at odds with the now-lone ruler of Equestria. Their loyalty was unfaltering and their dedication beyond what most could even comprehend, both to a point where neither death nor time would stand in the way.

With Princess Luna's return, the Warlocks can once again fulfill their duties and protect the Princess of the Night. However, even though things have changed since that fateful day, they have not.