e... Spoiler: Goku is a Kid in DB. If your going to make a thread involving Dragon Ball and FF characters, don't make it obvious, even if most Dragon Ball characters are far better than FF characters...
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If you know about DB, you know people in DB would eat people in AC alive.

If we used anything from Z, even the absolute beginning...then it just be rape.

Goku's feats by the 22nd Tournament:
-Easily lifted and tossed a car.
-Could move fast enough to create after images.
-Could jump hundreds, if not thousands, of feat into the air. (Nam jumped through 3 layers of clouds and Goku jumped higher)
-Could learn advanced techniques by viewing them once.
-Surpassed Roshi in two instances. (took Roshi 50 years to master the Kamehameha. Goku did it in a day. Took Roshi 3 years to catch Korrin. Goku did it in 3 days)
-Was taking punches from General Tao with no damage. Tao rips up and tosses giant stone pillars hundreds of feat into the air.
-The Crane Hermit could not follow him. Said Hermit was fully capable of easily catching every round from an automatic weapon at close range. Yet Goku was too fast for him to follow.

Anyway...Seph alone would die. Cloud even worse.