Three little piggy's, what are you asking?
Answer:
The Treaty
The section of "Cruel Tribute" that best features a similar mythological element is The Treaty.
Explanation:
B, handwritten letters, because the letters are probably the most credible, especially since they're a first-hand account of things that happened to your ancestors, and as WorldlyGlass45 mentioned in their answer to this question on another post, you'll most likely get the most info from the letters as well.
Tybalt attempts to provoke romeo but provokes mercutio(Romeo's close friend).
Mercutio dies fighting tybalt and romeo kills tybalt. So tybalt.