Cities of Ascalon focus item, NOT THE -50 HP.
Energy +6 (req is earth)
Health +25
Armor +5
Energy -5 for a net of -2 if req isn't met.

Or, any crappy presearing focus:
Energy +3
Armor +4 (or 5)
Energy -5 for a net of -2

Paying 5k. IGN Dawn Merom