Hours passed has the 7 friends has fallen asleep and now the royal guard were on night duty. A flash a the door's key lock open the door where a unknown pony wearing a clock Walked passed the guard without being seen and then enter Twilight and Sonic room to find the element of harmony of magic and the inside Sonic's bag was the chaos emeralds. The switch the element of harmony with a fake with it magic and also took emeralds. The pony walked out slowly until she had fallen on Sonic's sneakers making a thud waking Sonic.

"What that?" Said Sonic as saw the pony headed for the door

Also Twilight saw that unknown pony had her crown.

"Hey has my crown ,stop thief!" Said Twilight jumping out her bed and chasing the thief .

"Running no use "said Sonic blitzing pass his friend and tackle the pony into a room there the element of magic bounce off the walls until it disappear into a mirror .

"What did you with my crown" said Twilight

The pony teleported out of Sonic's grab and was standing by the mirror

"Sorry it had be this way, princess" said the pony enter the mirror

"Who was that?"asked Pinkie pie

"Who ever she is that not the only thing she stole"said Sonic with his bag empty

The mane six grasp that empty that held the chaos emeralds. The next morning the Sonic and ponies explain what happen last night to the princess's

"Sunset shimmer she was a student like Twilight " said princess Celestra

But after seeing the success that she don't wanted she became dishonesty "said Princess Luna

"The chaos emeralds the of harmony can't be powered without your crown Twilight " said Cadance

Sonic ,Twilight and their friends walked to the mirror where Sunset has gone to.

"This world is a other world among others it open it thirty moons"said Luna

"After Sonic lost his world now the chaos emerald also count as defense to equestria just like the element of harmony" said Cadance

Luna used her magic pulling Bag on Sonic and Twilight's back. The two heroes walk toward the mirror but rainbow dash a blocked the path

"Your not going alone" said Rainbow dash

"We're coming with" said Applejack

"I'am sorry girls I think best that you stay " said Sonic

"Sonic right all you can't go because it would upset the world balance" said princess Luna

"Do worry we'll back" said Sonic hugging the mane six and wave go bye then walked to the mirror.

Sonic and Twilight when into mirror