Lower Charisma appears to be directly linked to Fear Spells Sticking, basically the earlier post of having this book and a Hand of the Reaper is correct. This is really a great Necro item. Lower Charisma = Less resists to Fear, and longer Duration. Plain and simple.
-Horaxe Dreamwalker<Dreamwalkers> 48th Barb Shaman
Tarrew Marr