Even if it is SSJ3 Gogeta. Now, base Goku in gt is equal to SSJ3 Goku in buu saga. If we consider multiplier for SSJ4 to be 500x, (which is SSJ times 10, widely considered and possible), that means SSJ4 Goku is 500 times
stronger than SSJ3 Z Goku, and he is still far weaker
than Omega shenron.
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