Hellfire passives - sixth sense, near death experience or unity
You want a GOOD hellfire neck or a immunity neck with CDR, health globe and toughness.
You want either Band of rue chambers in cube or immunity neck, either is good.
with immunity neck in cube you want atk speed on weapons.
Diamonds in armor
Amethyst in weapon slot
You want Health globe and potions grant ++++ on your feet, chest, shoulders, neck and both your rings
you want to get as much ALL RES as possible basically cause you are stacking so much health globe that you wont get enough through harmony.