Don’t be afraid of those who kill the body but cannot kill the soul.  Instead, fear the one who can destroy both body and soul in hell.
(Matthew 10:28 -- GW)

This is true because Christ suffered for our sins once.  He was an innocent person, but he suffered for guilty people so that he could bring you to God.  His body was put to death, but he was brought to life through his spirit. ¹⁹ In it he also went to proclaim his victory to the spirits kept in prison.
(1 Peter 3:18-19 -- GW)

P.S.  That's why we say in the Apostles' Creed that Jesus "descended into hell."