DB Multiverse

We destroyed him before he was born. But in other realms, that wasn't the case. He destroyed hundreds of planets, then attacked the Kaiô Shins ...
...I was the only one to give him difficulties, so much so that it triggered a defense mechanism in him...
...absorption!
When Buu thinks he's beat, he absorbs the opponent.
He takes his strength, but also the rest...
blam
From a wild instinctive creature, Buu became an educated athlete.
But still evil.
Our Grand Kaiô Shin then decided to sacrifice himself! He alone understood that Buu was actually immensely impressionable...
And the one from the universe 4 confirms this.
fschh