What does the Bible say about Judas Iscariot's betrayal of Jesus?

Judas Iscariot's betrayal is addressed in John 13:21-30, where Jesus reveals that one of His own disciples will betray Him. This moment captures the sorrowful reality of Judas's decision, highlighting the deep pain it caused Jesus, who was troubled in spirit. Judas is depicted as someone who had received great privileges but ultimately chose to turn his back on the Savior, leading to the tragic unfolding of events that would culminate in the crucifixion. His ingratitude stands in stark contrast to the love Christ showed him, emphasizing the severity of his actions.