Xaldin

Aww i wish it glitched for me to have them once.

Yeah.

But when they jumped, they stood in the air still and like a 'T'

Actually...either one fight in particular or Xemnas from KH1 Final Mix was the hardest boss in the KH series. See the video I recently posted in Xemnas vs. Ganon.

The other fight would be Terra...

I'd say Terra looks harder than Xemnas in Kingdom Hearts 1, though both look harder than Sephiroth.

Still not the hardest bosses because both fights are only on Final Mix and thats japanese release only cry

Well they're the hardest but Square is dumb for not releasing it here because...they would've gained millions if they've done so. There was so much demand on Final Mix it wasn't even funny.

I know, the bastards, how could they betray us like that? cry

Cause they hate us.