This is how
[in another scene, Black Doom and Sylvester arrives]
Sylvester: Looky here. Your friends have arrives, Saiyen guy.
Broly: Look. I don't have time for your tea party so, I got to go.
Black Doom: We don't want to help you. But we need to find some info. Did you see a black box in this world?
Broly: Black Box?
Enma: How do you hope to bring Buster and his friends after they left their home. But, how do they exist in the first place like my friend's partner Vixyner? There is one way to do so. Ace. Are you and your friends ready to release the darkness?