Board Thread:Theories and Speculation/@comment-32617252-20180505055143/@comment-33156027-20180505171433

I think Kaguya didn't scared of Momoshiki directly, but Otsutsuki clan as overall. There must be much more of them, and some of Otsutsuki could be more powerful then Kaguya after eating the fruit (ancient Otsutsuki who ate more then one fruit for example).