I think lauv keiko would win

oh ya keiko would surely win

A Demon versus a Ninja.
It would be like watching the demon doing a dark summoning spell on the ninja but the ninja has copies and the copies go poof and disappear on the ninja and the ninja goes HAHA! I have caught you from behind cause i'm all sneaky like that.
therefore I think the ninja would win.
Nicole.

Madam Kira does have a staff to knock Purity over thehead with

I think Fey would because she looks like she would have some magic.

I say a tie since Demons and Angels are always fighting and never seem to come to an end.

but in this case
i'm a demon so fey wins xD

Nicole?

Hmm, a tie =O

Beaten. ... Same answer actually ^^;

Ultima!

Sorry, Sugar, but it would be Ultima... hands down.

Sugar

Edward Elric would own Purity.

Ulty.

It's freezing to the bone,
you'll never feel at home
Just let your body go