For MP1 I would suggest you need at least 35k HP, 60-80k DPS (mostly CD/CC, not IAS), 400 AR.
Try getting the full Zuni set for the bonuses, Cheap Manajuma's knife for lifesteal, reflects hurt.
TOTD with GI/GF if you plan to use the charger only build, if you find yourself running out of mana...