"Changed up the dialogue colors. The color I was using is much better suited for Sweetie Bell. I doubt its a spoiler to mention shell be included as this IS a Rarity tumblr, after all. Also, Sanguines black font was impossible to read on a dark background."
Transcript
Rarity: What do you want with me?
Sanguine: We wish to welcome you to the herd, Lady Rarity. The Master is very interested in you. As you are an Element of Harmony, your case is very special. Right now, the most important thing is learning our rules.
Rarity: And if I resist?
Sanguine: Then you shall be executed. Element or not, we cannot allow you to threaten the rest of us. Too much is at stake.
Rarity: But I can't just give up my life. My friends
Sanguine: need not know. You will be able to return to your old life in time. How soon depends on how quickly you are able to adjust.
[Next Panel]
Rarity: I don't know if I can do this.
Sanguine: You have three nights to make your decision to join. In the meantime, follow the rules.
Rarity: Right.
Sanguine: Did your hear
Rarity: No turning, no feeding. I got that.
Sanguine: Excellent.
Rarity: But you said those were the 2nd or 3rd. What's the 1st?
Sanguine: The first tentant is the most important. Violating the first tentant invariably results in violating the others.
Rarity: What is it?