In this supplementary chapter I will explain the concepts in Dark Dragon Ball Super

First of all: Dark Daishinkan's timeline is an unstable timeline that has gone through all the events in Dragon Ball z, Dragon Ball GT and Dragon Ball Super

Second: Daishinkan killed two zeno is: zeno in Dark Daishinkan's timeline and zeno in Future Trunks's timeline

Third:Dark Daishinkan's Void is different from Dragon Ball Super's Void

Fourth: a timeline is equivalent to boundlessness

Finally: The Void is an space infinite D , and only when Daishinkan's true from in the Void dies will Daishinkan die, otherwise he is immortal.