After some of the Guards regained consciousness everypony returned to Canterlot.
After securing Earth Twilight shut the gate forever, and did so aswell on the portal for Defranan.
After that Luna cleansed Celestia of her evil.
"I am so sorry of everything I have done to you, can you forgive me?",
"Ofcourse we can" Luna and Twilight said
"It wasn't really you doing that" Twilight said.
"Thank you Twilight" Celestia said.