Warrior of Virtue 
Sweetie: Rarity! wWhat's going on?! What's happened to me?!
Rarity: Oh no! Sweetie, I'm so sorry. I should have told this years ago.
Sweetie: Told me what?! What am I?!
Rarity: When you were born, you were extremely frail and sickly. The doctors said that you likely wouldn't live for more than five years. They proposed a rather...radical treatment to save you.
Sweetie: So...I'm a cyborg?
Rarity: Yes, Sweetie.
Sweetie: ...Can I shoot lasers?
Rarity: Oh no! Sweetie, I'm so sorry. I should have told this years ago.
Sweetie: Told me what?! What am I?!
Rarity: When you were born, you were extremely frail and sickly. The doctors said that you likely wouldn't live for more than five years. They proposed a rather...radical treatment to save you.
Sweetie: So...I'm a cyborg?
Rarity: Yes, Sweetie.
Sweetie: ...Can I shoot lasers?