Ultra Vegito was first born when Ultra Instinct Goku and Ultra Ego Vegeta used the Angel Potara Earrings given by Whis since both defused So when he was born, both of them clashed with each other. Still, unfortunately, Vegito accidentally killed Beerus with a surprise attack, leading him into a shocked and sorrowful state because it was unintentional. However, the Gods of Destruction were mad at Vegito for killing Beerus and being just a mortal on killing a God of Destruction.