Find the rules behind the item.

UNIQUE Regenerate 12 Mana per Second while you have Avian's FlightAviansFlightManaRegeneration LVL 1 → UNIQUE Regenerate 15 Life per second for each Uncorrupted Item EquippedLifeRegenPerUncorruptedItem LVL 1 → UNIQUE Regenerate 15% Life over one second when hit while affected by Vitality Aura Skills other than Vitality are Disabled Auras from your Skills have (20-40)% increased Effect on youSublimeVisionVitality LVL 1 → UNIQUE Regenerate 150 Life per second if you have at least 1500 Maximum Energy ShieldLifeRegenerationWith1500EnergyShield LVL 1 → UNIQUE Regenerate 2 Life per secondLifeRegeneration T7 · LVL 1 → UNIQUE Regenerate 2 Mana per secondAddedManaRegeneration T3 · LVL 1 → UNIQUE Regenerate 2% of Life per secondLifeRegenerationRatePercentage T5 · LVL 1 → UNIQUE Regenerate 2% of Life per secondLifeRegenerationRatePercentage T5 · LVL 1 → UNIQUE Regenerate 2% of Life per second if you have been Hit RecentlyLifeRegenerationIfHitRecently LVL 1 → UNIQUE Regenerate 2% of Life per second on Chilled GroundLifeRegenerationPercentOnChilledGround LVL 1 → UNIQUE Regenerate 2% of Life per second while on Low LifeLifeRegenerationOnLowLife T1 · LVL 1 → UNIQUE Regenerate 2% of Life per second with at least 400 StrengthLifeRegenerationAt400Strength LVL 1 → UNIQUE Regenerate 2% of your Armour as Life over 1 second when you BlockArmourAsLifeRegnerationOnBlock LVL 1 → UNIQUE Regenerate 20 Life per secondLifeRegeneration T7 · LVL 1 → UNIQUE Regenerate 3 Life per second per LevelLifeRegenerationPerLevel T1 · LVL 1 → UNIQUE Regenerate 3% of Life per secondLifeRegenerationRatePercentage T5 · LVL 1 → UNIQUE Regenerate 3% of Life per secondLifeRegenerationRatePercentage T5 · LVL 1 → UNIQUE Regenerate 3% of Life per second while on Low LifeLifeRegenerationOnLowLife T1 · LVL 1 → UNIQUE Regenerate 35 Mana per second if all Equipped Items are CorruptedBaseManaRegenerationWhileAllCorruptedItems LVL 1 → UNIQUE Regenerate 4% of Life per secondLifeRegenerationRatePercentage T3 · LVL 20 → UNIQUE Regenerate 40 Life per second per Endurance ChargeLifeRegenPerMinutePerEnduranceCharge T1 · LVL 71 → UNIQUE Regenerate 400 Life per second if no Equipped Items are CorruptedLifeRegenerationPerMinuteWhileNoCorruptedItems LVL 1 → UNIQUE Regenerate 5 Mana per Second per Power ChargeManaRegeneratedPerSecondPerPowerCharge LVL 1 → UNIQUE Regenerate 5% Life over one second when Hit while SaneRegenerateLifeNotUnhinged T1 · LVL 68 → UNIQUE Regenerate 50 Life per second if you have at least 500 Maximum Energy ShieldLifeRegenerationWith500EnergyShield LVL 1 → UNIQUE Regenerate 75 Life per second per Endurance ChargeLifeRegenPerMinutePerEnduranceCharge T2 · LVL 1 → UNIQUE Reserves 30% of Life Cannot be used with Chaos InoculationReservesLife LVL 1 → UNIQUE Right ring slot: +250 to maximum ManaRightRingSlotMaximumMana LVL 1 → UNIQUE Right ring slot: You cannot Regenerate ManaRightRingSlotNoManaRegen LVL 38 → UNIQUE Sacrifice (5-25)% of Life to gain that much Energy Shield when you Cast a SpellSacrificeLifeToGainES T2 · LVL 1 →