Energy +10
11-22 DMG (req 13 Curses)
Halves skill recharge of Death Magic spells (19%)
Halves casting time of Blood Magic spells (20%)
Energy +5
Health +30
The problem with this item is that the required attribute and the attributes that the modifications affect aren't the same. You want an item to affect skills linked to the attribute that it requires, or affects all of your skills/spells.