Archangel's Staff

+250 Mana
+60 Ability Power
+10 Mana Regen per 5 seconds

UNIQUE Passive - Insight: Grants Ability Power equal to 3% of maximum Mana.
UNIQUE Passive - Mana Charge: Grants +8 maximum Mana (max +750 Mana) for each spell cast and Mana expenditure (occurs up to 2 times every 8 seconds). Transforms into Seraph's Embrace at +750 Mana.

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