After his argument with Celestia ending with his banishment from the castle.
Sunset decided that if Celestia didn't recognize her potential, she would spit it in her face when she conquered her beloved nation.
Then, neutralizing her captors who were escorting her out of the castle, she launched herself towards the mirror that she had been so denied knowledge of the same, where she believed she would find the answers and resources for her goal.
Not knowing that her life will never be the same
And this new world would receive her saying: