Believers do not go down to Sheol or Hades
any more when they die, like they did in the
Old Testament days. Instead they ascend to
Paradise, the Third Heaven. [2 Corinthians
12:1-4]
Jesus has held the keys of Hades. That is
why He could say in Matthew 16:18 that
"the gates of hell [Hades] shall not prevail
against it [the church]."