User blog comment:B214/Volume 23 discussion blog/@comment-76.175.162.45-20170404042611/@comment-1359322-20170404160736

Not necessarily. Only selected few knows what is going on inside the barrier with 666. The children may have only speculated that the leader died in that battle. It's also possible that the adults opted not to reveal the 666 incident to the younger generation out of concern that they may do something reckless.