Luna's attitude in my story(what would you think?)

[Tom Snyder 4,112]

So i'm writing a war story involving Celestia, Luna, and the Mane 6. Twilight comes in very late in the story for the second war that occurs and so do her friends. But now back to the real reason for this thread:

 

This the tags are as follows: Dark/Anthro. But i don't know if you can call this an adventure or not, but hat's another reason. 

 

I have a moment where Celestia flees the gryphon kingdom castle, Cassius has sent the troops after her. Now having to focus on them, she tries fighting back, but is overwhelmed and has to hide when she blinds them with a light spell, you could think of it like a flash bang. This allows her to escape and hide herself with an illusion spell, cloaking her entire body, making her invisible to the gryphon troops as they try and find her. But Celestia slips away and makes it back to the castle and collapses, leaving it up to the guards to help her back to her own room. 

 

So when Luna comes in and sees her battered and injured, Luna grits her teeth in anger over this. But when asked what happened, Celestia tells her that Cassius has started making his move and will do anything to get the relic from them. These are luna's exact words:

 

"That fool!! i kill him myself!!" 

 

But Celestia knows that if she tries, she could end up in the same condition. So these are Celestia's words to calm Luna down and make her think rationally:

 

"Luna, please, promise me you will not go after him." 

 

Luna of course scoffs and replies:

 

"And why not? he deserves death!!" 

 

Celestia sighs and makes her final point:

 

"Luna, you charging in there blindly and with so much anger will only result in more deaths, please calm down. I don't want to lose you."

 

Luna takes a deep breathe and seems to relax, Celestia blacks out again in her bed. 

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Now as i said before, these anthros act like they did as ponies, their emotions are just elevated a bit for the plot. So tell me if yu think i left anything out of character and i'll try and fix it.