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Xeno Trunks identifies the new arrivals, Majin Salsa and Putine, as demons and old enemies of the Time Patrol. However, the demons offer to help the heroes in their efforts to destroy Fu's Universe Tree, warning that the Tree is continuing its work of consuming countless planets across the multiverse. Janemba attacks them all again before the two groups can come to an agreement, and the battle resumes, with Xeno Trunks powering up to Super Saiyan God. Majin Salsa suggests that Xeno Goku and Xeno Vegeta use a mysterious technique that they have employed in the past, so the other Saiyans all power up and channel their energy into the pair while the two demons hold off Janemba. By absorbing the others' energy, Xeno Goku and Xeno Vegeta break through their limits and achieve a higher level of strength, known as Full-Power Super Saiyan 4. They attack Janemba together, succeed in overpowering him, and are finally able to destroy him using their ultimate technique, the Double Dragon Fist.