ok who is the best in skill, i know some are over powered but lets put it in a world where there powers are balanced out to give all a fair chance .

Erza's a BADASS.

why yes she is, and the best looking out of all them lol

Damn, She's hot. She's wanted to fight completely naked like twice, too hahaha. I'm like c'mon Hiro!

lol thats erza for you

Absolutely.

saber is angered that she was not included
Best swordsman is definitely Saber, especially when she breaks out the Excalibur attack and just levels an entire fucking city.

Sephiroth

Out of these I'd have to say between Cloud and Erza.

lvl 100 sephiroth.

Cloud for me <3

It probably depends how much you level up the characters.

Easily Kenshin in terms of sheer swordplay. His footwork and mastery of the Sword is amazing. However, ichigo of course is the strongest swordsman Per Se with all of his superhuman abilities.

Erza

If you're saying this is in a setting where they don't have magical powers/ super powers and the like then it's just be a matter of skill with a sword and experience in combat, oversized swords are out because physics of a sword of that size, and no magical powers limits most of the rest.

From that standpoint, probably Himura Kenshin, maybe Erza, though I don't know enough about Fairy Tail, but as far as I know she's a knight of some sort and so would probably have had military training and at least some combat experience.

Kenshin has both extensive combat experience in life or death fights and skill with a sword so he has the edge over the super-powered high school age kids since super powers aren't being considered.