During the ancient Celtic festival of Samhain, from which Halloween derives, people believed that the boundary between the physical world and the spirit world lifted, allowing spirits to pass between the two realms more freely. This belief terrified superstitious individuals, who left out food and offerings to appease these spirits and prevent them from cursing their households. Within this context, some practiced various forms of divination in an effort to contact departed loved ones. The Druids regarded this period as the most favorable time to seek guidance from the dead, while bards sought otherworldly inspiration for their poetry and songs. This practice of divination was tied to the broader belief that Samhain occurred in a kind of "no-time," a period existing outside the normal calendar, neither belonging to the old year nor the new. Because this interval was considered a time set apart from ordinary existence, the usual laws, order, and social customs were suspended for the three days surrounding the observance. This suspension of normal structure gave rise to widespread role reversal and chaos: the foolish were treated as wise, servants acted as masters, women dressed as men and men as women, animals were released from their enclosures, and people entered homes through windows instead of doors. No work was performed, as the days were devoted entirely to revelry, feasting, drinking, daring one another, and disguising one's true identity. This ancient practice of divination and spirit-contact, though largely diminished in modern observance, forms part of the historical foundation of Halloween's association with the supernatural. However, the enduring popularity of the modern holiday is not primarily rooted in fascination with ghosts, demons, or the practice of divination itself, since most people today do not seriously believe in such spirits. Instead, the appeal lies in the same underlying impulse that drove the ancient chaos time: the desire to escape reality, cast off normal restraints, and indulge in self-gratification through costume and drink. This connects the ancient practice of divination and ritual disorder to a broader spiritual warning. Rather than escaping the pressures of a world that operates apart from God, celebrants who indulge in such self-abandon only compound their troubles by adding sin and its destructive consequences to their lives. Those called to a different way of living are instructed to put off former corrupt and lustful conduct, walking instead as children of light, exposing rather than participating in the unfruitful works of darkness, and using their time wisely rather than surrendering it to the kind of ritualized disorder and spirit-seeking that originally characterized Samhain.

Divination occupies a significant place within the broader condemnation of Halloween as an occult and idolatrous observance rooted in pagan practice. Its origins trace back to the Celtic festival of Samhain, during which the boundary between the physical and spiritual worlds was believed to relax, allowing spirits to cross over. Fearful that these spirits, especially those of the recently deceased, might play tricks or curse the living, the Celts sought to appease them, but some among them went further, holding séances or engaging in other forms of divination through incantation, potion, or trance in order to contact dead ancestors and receive guidance and inspiration from them. This practice of consulting the dead or unseen spirits for knowledge or direction survives into modern Halloween observance, where divination and séances remain commonly practiced on October 31. Scripture directly and repeatedly condemns this activity. Deuteronomy 18:10-12 explicitly lists divination alongside witchcraft, soothsaying, sorcery, conjuring, and necromancy as practices that constitute an abomination to God, so detestable that they were among the reasons God drove the pagan nations out of the Promised Land. Divination is thus not a neutral or harmless curiosity but is classified with the most serious forms of idolatry, since it involves seeking knowledge or power through spirits rather than through God. This connects to a deeper biblical theme: spiritism, including divination, is likened to prostitution, functioning as the spiritual counterpart to physical sexual immorality. Just as physical prostitution defiles the flesh, engaging in divination or any occult practice defiles the spirit and introduces a foreign party into the covenant relationship between God and the believer, effectively driving a wedge between them. The New Testament reinforces this connection, as Paul in Galatians 5:19-21 lists sorcery immediately alongside adultery, fornication, and idolatry among the works of the flesh that bar one from inheriting the Kingdom of God. Notably, the Greek term for sorcery, pharmakeia, reflects the historical use of drugs and potions by diviners and enchanters to induce trance states for their practices, a connection still visible in modern Halloween's association with drug use among its more serious devotees. Ultimately, divination is presented as one expression of the broader spiritual darkness that Halloween embodies, a practice that honors demonic spirits rather than God, undermines the believer's covenant relationship with Him, and leads toward separation from God and eventual destruction. Since believers are called to walk as children of light, exposing rather than participating in the unfruitful works of darkness, divination stands condemned as one of the clearest examples of the hidden, ensnaring practices God warns His people to avoid.

Divination stands at the center of the En Dor narrative as the forbidden practice through which a desperate king sought answers God had refused to give him. Scripture consistently condemns this practice: Leviticus forbids giving regard to mediums and familiar spirits, threatening that God will set His face against and cut off anyone who turns to them; Deuteronomy names diviners and necromancers among the abominations to the Lord; and Paul lists sorcery as a work of the flesh. The New Testament reinforces this through Paul's confrontation with Elymas the sorcerer and his exorcism of the slave girl possessed by "a spirit of divination," while Revelation declares that sorcerers will be cast into the Lake of Fire. This unambiguous condemnation establishes that God had no part in the events at En Dor except to allow them to serve His purpose of removing Saul and installing David. Saul's turn to divination is best understood through his psychological unraveling. Once a mighty champion of Israel, he grew murderously jealous of David, was tormented by a distressing spirit from the Lord, and became increasingly unstable. Cut off from God through dreams, prophets, and the Urim and Thummim after Samuel's death, and terrified by the overwhelming Philistine army, Saul irrationally reasoned that if God had once spoken through Samuel, he would seek Samuel even in death—failing to realize that a forbidden method would never yield a legitimate answer from God. The medium herself is portrayed as a fraud, someone who never truly summoned the dead until this occasion, when she was genuinely shocked by what appeared. This detail, along with the fact that the spirit "ascended out of the earth" rather than descending from heaven as God's messengers do, signals that the apparition was not Samuel but a demon impersonating him. The woman's own words describing "gods" ascending—using a plural verb construction elsewhere associated with pagan deities—suggest multiple spirits, not the true prophet accompanied by holy angels. Her vague descriptions of an old man in a mantle were sufficient to convince Saul, who wanted the identification to be true. The demon, acting as Samuel, delivered a truthful yet cruelly delivered message, confirming the earlier prophecy that the kingdom would pass to David and predicting Saul's death alongside his sons in battle. This account demonstrates that divination is not a genuine channel to the dead or to God, but a dangerous, demonically manipulated path resulting in fear, despair, and death. The story ultimately serves as a moral warning against forsaking God and turning to sorcery for answers, illustrating divination's destructive power over one who allowed jealousy, pride, and terror to sever him from divine truth.