Find the rules behind the item.

UNIQUE Regenerate (8-10) Mana per secondAddedManaRegeneration T3 · LVL 1 → UNIQUE Regenerate 0.2% of Mana per secondBaseManaRegeneration T3 · LVL 36 → UNIQUE Regenerate 0.3% of Mana per secondBaseManaRegeneration T3 · LVL 36 → UNIQUE Regenerate 0.4% of Mana per secondBaseManaRegeneration T3 · LVL 36 → UNIQUE Regenerate 0.5% of Mana per secondBaseManaRegeneration T1 · LVL 56 → UNIQUE Regenerate 0.6 Mana per Second per 10 DevotionAddedManaRegenerationPerDevotion LVL 1 → UNIQUE Regenerate 0.6% of Mana per secondBaseManaRegeneration T3 · LVL 36 → UNIQUE Regenerate 1% of Mana per secondBaseManaRegeneration T4 · LVL 1 → UNIQUE Regenerate 1% of Mana per secondBaseManaRegeneration T2 · LVL 52 → UNIQUE Regenerate 12 Mana per Second while you have Avian's FlightAviansFlightManaRegeneration LVL 1 → UNIQUE Regenerate 2 Mana per secondAddedManaRegeneration T3 · LVL 1 → UNIQUE Regenerate 35 Mana per second if all Equipped Items are CorruptedBaseManaRegenerationWhileAllCorruptedItems LVL 1 → UNIQUE Regenerate 5 Mana per Second per Power ChargeManaRegeneratedPerSecondPerPowerCharge LVL 1 → UNIQUE Right ring slot: +250 to maximum ManaRightRingSlotMaximumMana LVL 1 → UNIQUE Right ring slot: You cannot Regenerate ManaRightRingSlotNoManaRegen LVL 38 → UNIQUE Skills Cost Energy Shield instead of Mana or LifeSkillsCostEnergyShieldInsteadOfManaLife LVL 93 → UNIQUE Socketed Gems have 50% less Mana CostSocketedSkillsHaveReducedManaCost T2 · LVL 1 → UNIQUE Socketed Gems have 50% less Mana CostSocketedSkillsHaveReducedManaCost T2 · LVL 1 → UNIQUE Socketed Gems have 50% less Mana CostSocketedSkillsHaveReducedManaCost T1 · LVL 62 → UNIQUE Socketed Gems have no Reservation Your Blessing Skills are DisabledSocketedAurasReserveNoMana LVL 48 → UNIQUE Socketed Skill Gems get a 80% Cost & Reservation MultiplierSocketedSkillsManaMultiplier T4 · LVL 1 → UNIQUE Socketed Skill Gems get a 92% Cost & Reservation MultiplierSocketedSkillsManaMultiplier T1 · LVL 48 → UNIQUE Socketed Skill Gems get a 94% Cost & Reservation MultiplierSocketedSkillsManaMultiplier T2 · LVL 36 → UNIQUE Socketed Skill Gems get a 96% Cost & Reservation MultiplierSocketedSkillsManaMultiplier T3 · LVL 24 → UNIQUE Supreme EgoSupremeEgo LVL 1 → UNIQUE The AgnosticTheAgnostic T1 · LVL 1 → UNIQUE The AgnosticTheAgnostic T1 · LVL 1 → UNIQUE Vitality has 20% increased Mana Reservation EfficiencyVitalityReservation LVL 48 → UNIQUE Vitality has 20% increased Mana Reservation EfficiencyVitalityReservationEfficiency LVL 48 → UNIQUE When you Cast a Spell, Sacrifice all Mana to gain Added Maximum Lightning Damage equal to 25% of Sacrificed Mana for 4 secondsDrainAllManaLightningDamage T1 · LVL 56 →