Future Vegito leaves Future Super Buu on the edge of death and decides to rescue Gotenks and Future Gohan. Future Goku and Future Vegeta use the Potara and fuse again to form Future Vegito, who possesses incredible power. Then, he absorbs Future Gohan too, and with Gotenks' and Future Gohan's power, Future Super Buu becomes even more powerful. Future Super Buu gains incredible powers, but Gotenks stands against him, but like in the main timeline, Super Buu absorbs Gotenks and takes his power.

When the two are not useful anymore to Future Babidi, Future Super Buu absorbs them and makes their power his own. He is very strong, and Future Broly and Future Cooler appear and fight the Z-Fighters as well. When Future Babidi arrives at The Lookout and requests the Dragon Balls, the Z-Fighters fights Future Super Buu again. The Dragon Team sense his ki and go to fight with him before he arrives at The Lookout, and they manage to repel him. Following orders, Future Super Buu heads straight for Future Dende's Lookout. He orders Future Super Buu to play with Future Trunks while he goes to collect the Dragon Balls with the brainwashed Future Cooler and Future Broly. Satan gave to Future Majin Buu), thus learning that Earth's Dragon Balls are restored. Future Babidi then remarks a Dragon Ball in Buu's hand (the rock Future Mr. When he wonders where Future Dabura is, Future Super Buu says he ate him and Future Babidi is happy that Buu is powerful enough to defeat Future Dabura easily. When Future Babidi returns from New Namek, he remarks Buu has slimmed down. Future Dabura attempts to kill Future Super Buu, but Future Super Buu defeats Future Dabura with overwhelming power, turns him into chocolate, and eats him. Future Super Buu is formed when Future Evil Buu eats Future Good Buu, who was turned into chocolate, and transforms.

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