Fang FF13
Cloud of Darkness from FFIII, Emerald weapon from FFVII and Chaos from FFI would be awesome.
But they have to be to strong, really really strong.
http://images3.wikia.nocookie.net/__...arkCloud3D.jpg
http://images3.wikia.nocookie.net/__.../FFI_Blaze.PNG
http://cdn.toy-tma.com/wp-content/up...on-580x299.jpg
Just ultros.
Id prefer they focus on more original bosses and story however. Let Eorzea have a chance to be its own fully realized thing like Vanadel got to be. Something that can stand on its own.
The demon train... so Sabin can suplex it!
But no, really. I'd like to just see Ultros as well, maybe as a FATE boss or something. I miss uncle Ulty.
FF7
The Weapons...
http://imageshack.com/scaled/large/849/e40e.jpg
http://images2.wikia.nocookie.net/__...fmv-attack.png
Knights of the Round
http://imageshack.com/scaled/large/202/4szg.jpg
I have to entirely agree with you, The Weapons themselves would be Epic FATEs.
Hmm... how about a dream triggered special story for example the time Squall was unconscious and dreamed about Laguna which we end up playing as. Not necessarily must have characters from other FF.
Edit: Okay, i'll be honest i want to see Cloud... >.>
Aid: Agrias saving Princess Ovelia from 100+ bandits with https://www.youtube.com/watch?v=f49JZ9v79iM remastered orchestra version
Boss: ff8 last boss with all the different forms would be epic :D
Gilgamesh and Cloud of Darkness were both in the artbook with my CE, so they're definately getting in. I also saw what looked like an upright multi-headed wolf in The Emperor's outfit. I couldn't make out what the others in that section were meant to be, if anything.
EDIT: After looking a few things up, it looks like I was wrong about it being The Emperor; it's Queen Scylla. The others are Amon, Acheron and Xande. A veritable menagerie of FFIII bosses.
We also have Ultima Weapon, courtesy of the Empire's Magitek. Looking forward to that one!