Originally Posted by SRDTurn Resistance
Some creatures (usually undead) are less easily affected by the turning ability of clerics or paladins.
Turn resistance is an extraordinary ability.
When resolving a turn, rebuke, command, or bolster attempt, added the appropriate bonus to the creature’s Hit Dice total.
Rod of Defiance
Price (Item Level): 7,312 gp (11th)
Body Slot: — (held)
Caster Level: 10th
Aura: Moderate; (DC 20) necromancy
Weight: 3 lb.
This crudely shaped, bone-white rod resembles a cudgel.
You can use a rod of defiance in combat as a +1 heavy mace. In addition, each undead creature within 30 feet of you while you hold the rod is treated as if it had 4 fewer Hit Dice (minimum 1 HD) for the purpose of turn or rebuke undead checks.
Prerequisites: Craft Magic Arms and Armor, Craft Rod, turn undead or rebuke undead.
Cost to Create: 3,500 gp (plus 312 gp for masterwork heavy mace), 280 XP, 7 days.