Spear Of Manhunting

Spear of Manhunting (DC 18)
Faint enchantment; CL 3rd
Slot weapon; Weight 8 lbs.; Cost 3,925 gp
Defense
A 2-foot-long blade extends from the heavy crossbar of this +1 boar spear. Once per day on a successful critical hit, the wielder of a spear of manhunting can cast hold person as an immediate action on the target hit by the attack (W-DC 13 negates). The hold person effect immediately ends if the spear is dropped or withdrawn, such as by making additional attacks with the weapon.
Construction
Craft Magic Arms and Armor, 2nd level mind spell, 1st level transmutation spell; Cost 2,115 gp; 393 craft