He could not forget how, when Baros had first descended into this time and space, he had been utterly arrogant and looked down on everything. With a flick of his fingers, Baros had knocked him, a God of Destruction, into the dust, even declaring that compared to Beerus from another parallel time and space, he was simply too weak to withstand a single blow.
How strong Beerus from that other time and space truly was, Beerus of this time and space could neither sense nor fathom.
Yet the overwhelming gap in power—the terrifying strength that had even left his master Whis awed and shaken—meant that he had no hope of reclaiming his pride or the lost dignity of a God of Destruction from Baros. He did not even have the right to speak to him as an equal.
Thus, after Whis returned, a seed had been planted deep in Beerus's heart without him even realizing it—a seed he himself had never expected.
That was to fight Baros once more, even if it was not a direct confrontation.
Even if it only carried a trace of Baros, the Saiyan, that would do.
That was why, despite his lofty status as a God of Destruction, he had personally descended upon that small blue planet in the Solar System of the North Galaxy. He had even temporarily suppressed both his authority and his own preferences as a God of Destruction, refraining from destroying the planet. Instead, he had brought Sun Wukong to the Realm of the Gods of Destruction and had Whis teach him with all his strength.
Originally, this thought should only have resurfaced after Sun Wukong broke through to become a Super Saiyan God, then went beyond that, reining in his blue aura and gaining the qualifications to fight a God