The Hippogriffs enter Equestria and find its borders unattended following the information about the mass ponyville dissapearance and no word from the Princesses in over a month

upon arrival to Canterlot the Hippogriffs find Canterlot to be vacant except for 2 survivors, a pegasus and a unicorn, both badly injured , 3 days pass to allow them some rest, then the search for facts begins

(alt Continuation of Flashgen's "A Fleeting Light In The Darkness" and its sequels (last entry being "They're Never Coming Back" )