If Daybreaker appeared in reality. And Starlight is the last mare standing who realizes his mistake.

Lyrics

Verse1:
This is last day of harmony
And now I'm everything what she wanted to be
The dearest princess is no more
Only Daybreaker will scream victorious roar

Pre-Chorus1:
Celestia is gone
Goodbye the lovely dawn
Your lives will be unhappy
I'll do it on my own

I will be not so sweet
You'll like eternal heat
I see you fear me ponies
My job almost complete

Chorus:
The sun is burning harder
I am only one who reign
No one can stop my power
No one can save the day

Prepare for daybreak terror
And life without a night
The day will last forever...

I bring to these lands violence
New era is coming now
Who needs the moon and balance
When you can force them bow

Prepare for daybreak terror
And life without a night
The day will last forever...

Verse2:
My sister lies on the ground
Night is defeated, no more rivals around
Unleash the fury of the sun
The time has come. Let's start the scorching fun

Pre-Chorus2:
Mane six is smashed
By spell i cast
Save your pathetic breathing
It will be last

Thank you Starlight
You are was right
Now I'm clearly realize
How high might be my flight

Chorus

Starlight part:
What have i done?
My fault led world to end
Withering sun?
It wasn't my intent

This fight is mine
I'll follow to my heart
I know I'll die
But I can't stand apart

Chorus