Helm of Telepathy
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The wearer can use detect thoughts at will. Furthermore, he can send a telepathic message to anyone whose surface thoughts he is reading (allowing two-way communication). Once per day, the wearer of the helm can implant a suggestion (as the spell, Will DC 14 negates) along with his telepathic message.
Faint divination and enchantment; CL 5th; Craft Wondrous Item, detect thoughts, suggestion; Price 27,000 gp; Weight 3 lb.