My Little Pony: Friendship is Magic - Image #225,316

Earlier:
'Hey, Mr. Guard! How'd you get your cutie mark? Didi you fight in a big battle?'
'I bet it was for something really awesome, like stopping a dragon!'
'We're trying to get our marks and we've got all day to try!'

'Heh, heh… Hey girls, how would you like to try being royal guards for a day?'

'REALLY?!?!'

'Sure, just take this armor and stay right here. I'm going to go… somewhere else… to, you know, guard… stuff. Don't follow me, now. Bye!'

The other guard to an arrow to the knee.
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