The "Turn Undead" spell in The Elder Scrolls IV: Oblivion is an offensive Conjuration spell that temporarily decreases an undead creature's Confidence, which is their willingness to fight. When affected by this spell, undead enemies up to a certain level will disengage from combat and attempt to flee in fear for the spell's duration. This makes them stop attacking the player and run away instead

. Key points about Turn Undead in Oblivion:

• It affects undead creatures such as zombies and skeletons, causing them to flee rather than fight.
• The spell's effectiveness depends on the level of the undead and the spell's magnitude.
• It is particularly useful against summoned undead, as it disables them without prompting the summoner to call another.
• Vampires are immune to this spell despite being undead.
• While fleeing, undead may still occasionally attack if the player blocks their path.
• The spell can be tactically used to force undead into traps or away from the player.
• It is considered a hostile spell and will cause an assault if used on townsfolk.
• The spell does not turn undead into allies; it only makes them run away temporarily

In summary, Turn Undead in Oblivion causes undead enemies to flee from combat temporarily by lowering their confidence, providing a strategic way to avoid or control undead foes without killing them immediately