would disagree in one way, but agree in another. as I have said before Sephiroth does indeed have more raw power, but at the time of the canon fight Genesis is on par with him anyway because of his use of magic. While Genesis isn't is strong he has much more aptitude with magic, a she has been shown using it in ways Sephiroth hasn't.
Basicly Sephiroth's power is greater, but their overall ability at that point is equal
I think you're confused on a point here. The quote that the creator's said in which Sephiroth is the strongest in the world isn't related just to physical power.
It means that he is the overall strongest being in the world. Which simply means he'd beat Genesis on a fair fight. Becausew he is stronger, overall.
Genesis AVATARs strength and Zack's nibel/post nibel strength is irrelevant to Genesis and Sephiroth's power and abilities relative to each other during the canon fight. There are literally years seperating these events. Years in which Sephiroth fought many battles and likely grew quite a bit stronger than he was pre-cc, which the point in time where I believe Genesis was equal to Sephiroth. Let me give something of a progression to illustrate my point.
Lets say Genesis and Sephiroth's overall abilities at the canon fight are 5.
Two years later at Nibelheim Sephiroth has gotten stronger. His abilities would now have a value of 8.
Zack's abilities at Nibelheim and onwards would be either a 6 or a 7 depending on how close you think he was to Sephiroth (Close, but not really close, in my opinion)
Meanwhile Genesis AVATAR sits at a power value of 6. Since he was weakened by degredaiton his abilities didn't grow like Sephiroth's did, but transforming into a giant monster still grants him higher power than before.
So Zack could be strong enough to defeat Genesis AVATAR, thus making him as strong as or stronger than Sephiroth was during the canon fight, but less powerful than Sephiroth is at nibelheim.
Now, this seems to be a fair assessment, however the only problem is It's highly speculative on the increase between the years.
But I could buy that progression. The only problem is this:
* Sephiroth was not fully trying in the cannon battle, at least, that can be speculated due to:
A) They were in training, playing.
B) Sephiroth didn't use two-hands.
It's possible to speculate Genesis wasn't fully trying either, but then again, wouldn't you agree Sephiroth was winning that fight? When he seemed to up the anti Genesis was kinda thrown flying, when Genesis did that, he halted Sephiroth for a bit until Angeal stopped him from, I don't know, cindering the country.
* The quote that says Sephiroth was the strongest in the BC era all-around.
Regarding your point regarding CLoud's ACC fight with Sephiroth, that doesn't factor. By that point Sephiroth's power is entirely different from any point in the CC timeline, and nobody would debate that Cloud's abilities are quite a bit higher than would be expected of the SOLDIERs from that era, Genesis and Zack included. Well, some people would, but they'd be wrong
Well, the only point I was trying to make with that was this:
* Sephiroth vs Cloud over the Ruins of Midgar - Two-handing all around. Grunting, lost smirk.
* Seephiroth vs Zack in the Nibelheim Reactor - One instance of two-handing(which nearly killed Zack and beat him pretty badly), smirking at all times, no grunting.
* Sephiroth vs Genesis at the Sister Ray - No instance, to my knowledge. One grunt, smirk.
It is possible the dude wasn't using his full strenght.
Again, Genesis is equal to Sephiroth during the canon fight only, thats the only point in time I would argue he's equal.
While that seems fair, I'm not so sure that fight is a good illustration fo Sephiroth.
And again, he's not equal due to power, but because he fights Sephiroth with a different fighting style to Sephiroth's own. In a sword fight Sephiroth's strength and reflexes would give him the edge over Genesis any day. Genesis knows that. But he fights using magic in combination with his swordsmanship. He uses that to bridge the gap in power between them in their fight.
Relying on just his sword we see Genesis unable to match Sephiroth, even getting blown bckwards by his blows. But when he powers up his sword again he stops Sephiroth's attack dead. WHile one could argue Sephiroth was only fighting one handed, so was Genesis.
And when Genesis was able to attack from a distance with fireballs he overloaded Sephiroth's defence and had the upper-hand until Angeal interbened.
Once again, I think you're not taking the quote to full understanding. When the creator's say the 'strongest', they are taking all the factors into consideration, grinding them toguether, and pooping out the anwser to who woulod win in a fight. They aren't actully just measuring physical strenght.
That being said, I do believe Genesis was close to Sephiroth with his magic, but to say he was on equal with him seems disingenious given that Sephiroth was kinda winning that fight towards the end and not even using two-hands.
A clear indication of that was how Genesis could only really halt Seph with his magic while Seph's blows sent Genesis flying quite a bit.
And about Genesis not two-handing, isn't that kind of like, his syle? You know, like Kadaj, he never once two-handed his blade to my knowledge. Wouldn't he need the extra hand to cast magic?
And again, one more time I want to make myself clear. I am not rguing that Genesis had the same level of raw power as Sephiroth. Even back then he didn't. He's just on par due to his overall abilities and moveset. And again, that only really applies to the training fight, since Sephiroth continued to grow past that, while Genesis fell into decay.
I get what you're asying, and you know what? Seems pretty fair. Only a small quote and a couple of facts seem to hinder that a tad.
By the way, what's your opinion of Genesis on the overall scale? I'm just curious because you seem to have good opinions.
Personally I think he sits like, here:
ACC Seph > ACC Cloud > Kadaj >= FFVII Seph > FFVII Cloud > BC Seph > Zack > Genesis = Angeal > The rest.