Board Thread:Theories and Rumors/@comment-29670051-20180717132040/@comment-26537965-20180803083840

Emperor Serpentine wrote: TBH time twins could return too

The clock on the season 7 episode title cards is in a very similar position to the 2019 yin-yang thing

I kind of hope not. They were the most boring Ninjago villains ever. But then again, it is weird how Wu returned and they did not, so we might never know what exactly happened to them, so it would be good to get a proper conclusion of their arc.