Powered up fusion flare and fsion bolt.

[SupremeGameExpert]

If you saw the move description of fusion flare and fusion bolt it basically says that get more powerful if the other attack was used before. Since you only face N once you barely have a chance to see it. Well I have battle video of me facing off against my cousin and we saw the powered up attacks.
Here's the code:88-74443-11366
(powered up fusion flare on second segment powered up fusion bolt on the fifth)
I decided to put this up because the attacks kinda look a bit overpowered when you look at this video and the segments.

 

[Lord Regal]

What I find funny is that Reshiram is faster than Zekrom, so if at equal levels they both use their fusion moves Zekrom will get the powered up version. As for them being overpowered...like you said it's rare to fight the counterpart to your legendary, and I don't think the standard version is overpowered, so it's more of an easter egg then a situation where it can be abused.

 

[SpoonySage]

I didn't know that, but it almost makes me want to train up a Reshiram to be a Victini counter since it tends to run Fusion Bolt on teams online.

 

[SupremeGameExpert]

Personally I think powered up fusion flare has more power than blue flare but I can't tell if it does or not and bolt strike looks like the 4th gen volt tackle

 

[Lord Regal]

I didn't know that, but it almost makes me want to train up a Reshiram to be a Victini counter since it tends to run Fusion Bolt on teams online.

Reshiram can't be used in Random Matchup, just so you know.

Personally I think powered up fusion flare has more power than blue flare but I can't tell if it does or not and bolt strike looks like the 4th gen volt tackle

I think it does as well, and same with Bolt Strike and Fusion Bolt. However, like I said, the rarity of running into the other dragon is somewhat unusual (as you only face it once in single player and random matchup doesn't allow either dragon) so you almost always get the standard-issue fusion bolt/flare.

 

[SupremeGameExpert]

But if you have a friend with the opposite game you could be able to see it again but other than that it's pretty impossible

 

[Lord Regal]

Exactly, which is why I call it an Easter Egg rather than an abusable issue. Granted, I can think of a way to abuse it, but it's not exactly good for you either...

 

[SpoonySage]

I didn't know that, but it almost makes me want to train up a Reshiram to be a Victini counter since it tends to run Fusion Bolt on teams online.

Reshiram can't be used in Random Matchup, just so you know.

Personally I think powered up fusion flare has more power than blue flare but I can't tell if it does or not and bolt strike looks like the 4th gen volt tackle

I think it does as well, and same with Bolt Strike and Fusion Bolt. However, like I said, the rarity of running into the other dragon is somewhat unusual (as you only face it once in single player and random matchup doesn't allow either dragon) so you almost always get the standard-issue fusion bolt/flare.

I meant in ACTUAL battles online. Also, as long as Victini isn't allowed, why would I need a Victini-counter anyways?