The supreme kaio-sama of 15 generations ago, was able to release all the hidden power that Goku possessed, which led him to overcome each of his limits, even being able to compare with the learning level of a legendary super saiyan.
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credits for animation:    / renanroque  
   / @mochaz7  
   / @dragonballdicastytv259  
https://instagram.com/juliangutierre0...
   / @mastarmedia  
   / @edeminmore