Keiya has updated his photo album, and has provided some ExMode Translations!

• Warrior of Light slashes through his opponents like a "Dazzling Flash". Six Slashes, each needing a D-Button press.
• Garland changes the form of his sword for his EX Mode. You need to Mash Circle for it to work.
• Yes, after Firion slashes the opponent with his sword, spear, axe, dagger, and bare hands, he will launch all of his weapons from his bow as a final strike. How awesome is that? The command is similar to Auron's Bushido: 5 Buttons you have to press as quickly as possible.
• The Emperor will literally dominate you and then blow you up with his EX Burst. You need to press the button that's flashing on the screen to execute his EX burst, and you need to do it five times.
• We all know Onion Knight's specials. Just make sure you select Shuriken and Holy really fast.
• Cloud of Darkness fires her Particle Cannon a la Shiva from FFVIII and FFX. You need to hold the Circle Button down until the meter reaches 120%.
• Cecil's Double Phase starts with Paladin slashes, then he uses the original FFIV version of Darkside from Dark Knight mode, and then finishes off with a cross-shaped slash in Paladin mode. It looks like for him, you need to press both a D-Button and a Face Button at the same time for three commands, and it's up how fast you can input.
• Golbez first makes his Shadow Dragon attacks, and then he finished the opponent with Double Meteo. His input style is similar to Cecil, but it seems to be based on timing instead of speed (you have to press the buttons as they pass by, a la DDR or Renzokuken)
• Bartz attacks four times, each time with two different swords equipped (the first is Buster Sword + Brotherhood), and ends by combining all Eight Swords into his own for Brave Blade (I'm assuming it's all swords except Terra's and his own). You need to input two D-Buttons every time he attacks with a two-sword slash.
• Exdeath will imprison his opponent in a super gravity field, shrink them, and crush them in his hands. Hold Circle until the bar goes down to 0 for his EX burst.
• Terra transforms into her Esper Mode, and attacks with Riot Sword, her signature attack. You need to tap both a D-Button AND a Face Button very quickly in order to build up the bar. And as with the other EX Bursts, the faster you build it up, the stronger it gets.
• Kefka's EX burst is now rightly named Light of Judgment, and it's where he uses the power of the Warring Triad to smite enemies down with his powerful Light Cannon. You will need to memorize three D-Button commands given to you by the three symbols, and input them as quickly and accurately as possible.
• Cloud's Super Ultimate War God Supreme Decapitation(Omnislash) is similar to the FFVII version, and I think it needs no explanation. You mash the circle button as fast as you can to break the Limit Gauge.
• Sephiroth's Supernova has been toned down from its ridiculous cutscene in FFVII, but he makes up for it by throwing his opponent straight into the Supernova. Like Cloud, mash the Circle Button quickly to break the Limit Gauge.
• Squall's Renzokuken is largely unchanged from FFVIII, with the exception that Lion Heart is now limited to the last blow (so Cloud gets the entire Omnislash put in, but Squall doesn't?). You need to time the pressing of the R Button right to cause the damage to be 100% Critical.
• Ultimecia's Time Compression fires multiple magic arrows onto the opponent, and she finishes the opponent off with Apocalypse, only here it's called End of Memories. The attack is similar to Squall's (toned-down) Renzokuken, although you press Circle instead of R to fire.
• Zidane's Reverse Gaia, as shown in the tutorial, is a series of quick, relentless slashes. You need to mash circle to fill up the four bars and make the finisher hit a lot of times.
• Kuja's Last Requiem works in the same principle as Zidane's Reverse Gaia, only instead of slashing the opponent, he prefers to rain down Ultima on them. Mahsing Circle will also make the Finale very strong.
• Tidus' Blitz Ace remains largely unchanged from the original. You still have to line up the arrow in the middle, and the less time you consume, the bigger the damage will be.
• Jecht's Blitz King is beyond epic; after slashing the opponent, Jecht Shots a gigantic boulder into the opponent before destroyed the boulder with a JEKUTOOOOOO FINGAAAAAAAAAA, causing the boulder to both hit the opponent AND shower him/her with debris. You need to do a Blitz Ace timing maneuver for both the Jecht Shot AND the JEKUTOOOO FINGAAAAA.

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Via Keiya photobucket