Rainbow Dash: W-why? Why you do this?! I-it isn’t you. Tiger. I-I know. Y-You can’t destroy Equestria.  
Midnight Tiger: normal tone crying I don’t wanna destroy Equestria. I just. I just… evil tone I JUST WANNA KILL THE PRINCESS!  
Twilight Sparkle: Rainbow has right! Fight it Tiger! Dark,charmed ghost can’t contaminated you. You still herself. Untill the ghost doesn’t contaminated you whole.  
Midnight Tiger: (Dark,charmed ghost voice) Oh. It seems like somepony knows who I am,huh? So. Now. I will destroy the princess!  
Twilight Sparkle: T-Tiger?  
Midnight Tiger: (Ola Tiger voice) crying Im. So. Sorry. I need to do that. I. Can’t fight it.  
Fluttershy: You can do it. Just believe in yourself. Fight it! You can do it!  
Midnight Tiger: (Dark,charmed ghost voice) NO! SHE NEED TO GONE FOREVER! OLA TIGER ISN’T HOME NOW! NOW IM IN CONTROL!  
(Ola Tiger voice) crying NO! Nghhh! PLEASE! STOP! STOOOP PLEASE!  
Twilight Sparkle: That’s it! Fight it! Just like that! Destroy that demon!  
Midnight Tiger: (Dark,charmed ghost voice) SHUT UP YOU EGGHEAD! YOU ALWAYS DESTROYING EVERYTHING! (Ola Tiger voice) crying I can’t! She’s stronger than me!  
Twilight Sparkle: So we need to help her! Come on girls! We need to go for elements of harmony! Quick!
 

 

 

 
 
From fanfic ,,Dark,charmed ghost and the mare’’.

*Gives Dashie a big hug*

Alright, who upset best pony?

Dashie, what’s wrong?

I wonder about the context behind those.
 
What made you so upset, Dashie?