"What color do you want your insignia to be? " Mirajane asks.

"Hmm, I'll go with orange because even though I'm a Fire Dragon Slayer, I don't want to copy Natsu, haha." Aero explains.

"Nah, don't worry about it!" Natsu says patting Aero's back.

"Alright then, I want it red!"

"Where do you want it?" Mirajane asks.

"Um, on the back of my right hand."

"Okay... there! How do you like it?"

"Looks pretty nice!"

"By the way, how old are ya?" Natsu wonders.

"I'm 17."

"Yeah? Well so am I!"

"Say Natsu, can I train with you? I didn't get to finish training when I was with Pyrologia."

"Yeah, I was just about to go train with Gray, Erza, and Lucy. You can come along with us."

-At the training location-

"So Aero, what Dragon Slayer techniques do you know?" Natsu asks.

"Why don't I just show you by sparring?"

"I thought you'd ask that. Let's go!"

Aero and Natsu spar, they're about evenly matched, it's very hard to tell who's winning.

"Grr, this is going nowhere!"

Suddenly, Natsu's body is surrounded in flames with lightning in them.

"This is a risky move, but I want to win!" Natsu proclaims.

"Ohoho, Lightning Flames? I also have a little trick up my sleeve."

Aero responds by also surrounding his body with fire, but his fire is now a mix of red and blue.

"Heh, you know that blue fire is hotter than red fire, right?"

"Enough talk, let's fight! Lightning Flame Dragon's Roar!"

Natsu launches a blast of fire with lightning at Aero.

"Sky Flame Dragon's Roar!"

Aero launches a blast of blue and red fire at Natsu.

Both of their roars collide. The two roars struggle for a bit, but eventually, they both burn out.

Natsu and Aero are both panting heavily, and they both fall to the ground slowly, because of the side effects of using an element that's not theirs.

"Wow Aero, where did you learn to do that?"

"I had eaten air from one of my friends that was a Sky Dragon slayer, and the result was Sky Flame Dragon Mode. I had seen Acnologia earlier, and I had assumed it was another friendly dragon while it was flying above. After that day, I never saw him again, but back then, I didn't know that it was Acnologia that had attacked them."

"Your friend too!? How many dragons is Acnologia going to kill?" Natsu says, furious.

"There's nothing anyone could've done. A human can't kill Acnologia."

*Natsu has a quick flashback of Gildarts saying the same thing*

"Anyway, I guess we're evenly matched." Natsu admits.

"Wait, have you been able to use Dragon Force?"

"Dragon Force? Yeah, I've used it. Why do you ask?"

"Well let's say if you were able to use Dragon Force in our match, you'd probably win. I haven't been able to use Dragon Force." Aero states.

"Oh, well I'd have to eat something with a lot of magic power to be able to use it, anyway."

"Oh yeah, that's right! If I could eat something with a lot of magic power, I'd be able to use it too, right?"

"Yeah, but if there IS every a situation you need to use Dragon Force, make sure it's a strong fire you eat, since your element is fire. If you eat anything else, there will be some serious side effects. I ate some of Etherion's magic once, and I got sick."

That's all for now! See you in the next chapter! :)