Board Thread:Questions and Answers/@comment-43318552-20190729052826/@comment-38822050-20190729171651

Chimadino wrote: And the Time Twins changing the timeline is the only in-universe explaination for the changes. Actually, no. Wu didn't kill him, but he probably harmed them enough for them to die eventually after Wu's reappearence in Ninjago, without him knowing (because he isn't a murderer)