User blog comment:IamJakuhoRaikoben/Chapter 245: The Unbranded Man, Review./@comment-756329-20110730121247

Okay seriously, what is with anime guys and "Lightning and Fire"? Sasuke does it, Zuko started it, and now Natsu does it.

Guess they exhausted the "Fire and Ice" and "Light and Darkness/Shadow" theme and had to come up with another one