Maw of Malmortius

+55 Attack Damage
+36 Magic Resist

UNIQUE Passive: Grants +1 Attack Damage for every 2.5% of missing Health.
UNIQUE Passive - Lifeline: Upon taking magic damage that would reduce Health below 30%, grants a shield that absorbs 400 magic damage for 5 seconds (90 second cooldown).

(Unique Passives with the same name don't stack.)