The Mystery of the Crystal Empire

   After the defeat of King Sombra in the crystal empire Twilight and his friends return to ponyville for finally get some rest but after a week a peace,equestria is stricken by a violent storm holding all ponys inside their homes.Not a normal storm but a magical storm.A magical storm it's not make by pegasus but  a ancient race of unicorns who study prohibited magic

In ponyville a famous unicorn is studying trying wipe out the storm

   "SPIKE WHERE IS THAT BOOK ABOUT EQUESTRIA GEOGRAPHY" yelled Twilight

   "calm down it is here"complained Spike bringing the book from bellow the bed"if you cleared this place every time would not be so hard to find these old books"

   "spike you know we don't have time for this i must discover the origin of this storm its raining one month nonstop"said the worried Twilight

   "I don't know why you are so worried,it's just a little rain"shrugged Spike

   "JUST A LITTLE RAIN,according to Celestia this is a magical storm no pony not even her can end this"said Twilight

   "what is a magical storm"asked Spike

   "well a magical storm is..."

suddenly a great earthquake shook the earth preventing Twilight for responding, she looked at the window and watch terrified a huge light falling through the sky falling in the middle of ever free forest.

   The following day Twilight quickly gathered all your friends in the libraly

   "why twi call us all here"asked AJ

   "she said she will explain the light of yesterday"explain Rarity

   "who cares at least the rain stop"complained the bored Rainbow Dash

   "u are not a bit curious"asked AJ

   "nope i have better things to do"answered rainbow

   "like what sleep?"AJ said raising a eyebrow

Rainbow opened his mouth to answer but was cut by Twilight

    "Allright every pony call all of you here because the princess new task for us"said twilight

    "what would be so important to end with my first sunny day in weeks"asked the angry Rainbow Dash

    "well the PRINCESS commended us to investigate that light what crashed in ever free forest"answered Twilight"we gona need every pony for that,prepare your bags and meet me at the entrance at the forest in 1 hour"saying this Twilight dissapered with a flash of light

    "apparently she's eager to go"said Rarity

     "eyup"said AJ

    After a hour with preparation Twilight and her friends joined in the entry of the forest

    "so what's the plan?"asked AJ for Twilight while she looking a map

    "well calculating the trajectory of the fall i managed to identify the crash site which is approximately 3 km away from here"answered Twilight

    "then what are we waiting for,faster we go more faster we can return"said Rainbow Dash flying in direction of the forest followed by her friends.

    (this scene happens at night)

   "we are there yet?we are walking for hours"cried Rainbow Dash

   "maybe just a few minutes"answered Twilight

   "what do you think we going to find?"asked AJ for Rainbow Dash trying to change the subject

   "don't know don't care"answered Rainbow Dash

Before AJ have a chance to replied Twilight cut her

    "well looks like is here"said Twilight with a surprised face

the group suddenly found himselfs in front a giant crater with huge boulder in the middle

    "what...is...this?"asked the perplexed Rarity

    "well it's time to find out"said Rainbow Dash flying in direction of the crater

    "RAINBOW WAIT"yelled Twilight but she is too late,Rainbow Dash stop moving and simple stood staring at the boulder

    "RAINBOW...RAINBOW"yelled Twilight trying to call Rainbow Dash,but she simple doesn't move

Twilight and the others run in direction of Rainbow,when they finally reach to Rainbow they see what she is staring

   "what in Equestria is this"said the scared Twilight.