User blog comment:B214/Volume 22 spoilers/@comment-28087053-20170114184806/@comment-1359322-20170125073021

Shiva can't beat 666, he himself said it, he can't beat 666.

"“Well, sort of. However…this is beyond my expectations. —I’m afraid that even if I faced it head on, I wouldn’t be able to defeat it. It’s impossible to seal it without triggering a battle on the level of world destruction.”"