Find the rules behind the item.

UNIQUE Regenerate 1% of Energy Shield per secondEnergyShieldRegenerationPerMinute T1 · LVL 24 → UNIQUE Regenerate 1% of Life per secondLifeRegenerationRatePercentage T5 · LVL 1 → UNIQUE Regenerate 1% of Life per secondLifeRegenerationRatePercentage T5 · LVL 1 → UNIQUE Regenerate 1% of Life per secondLifeRegenerationRatePercentage T2 · LVL 24 → UNIQUE Regenerate 1% of Life per second per 500 Player Maximum Energy ShieldLifeRegenerationPer500EnergyShield T2 · LVL 1 → UNIQUE Regenerate 1% of Life per second while on Low LifeLifeRegenerationOnLowLife T1 · LVL 1 → UNIQUE Regenerate 1% of Mana per secondBaseManaRegeneration T4 · LVL 1 → UNIQUE Regenerate 1% of Mana per secondBaseManaRegeneration T2 · LVL 52 → UNIQUE Regenerate 10% Life over one second when Hit while SaneRegenerateLifeNotUnhinged T2 · LVL 1 → UNIQUE Regenerate 10% of Life per secondLifeRegenerationRatePercentage T5 · LVL 1 → UNIQUE Regenerate 10% of Life per second if you've taken a Savage Hit in the past 1 secondLifeRegeneratedAfterSavageHit LVL 1 → UNIQUE Regenerate 10% of Life per second while FrozenLifeRegenerationWhileFrozen LVL 1 → UNIQUE Regenerate 100 Life per Second while on Low LifeLifeRegenerationFlatOnLowLife T2 · LVL 1 → UNIQUE Regenerate 100 Life per Second while on Low LifeLifeRegenerationFlatOnLowLife T1 · LVL 7 → UNIQUE Regenerate 100 Life per Second while you have Avian's FlightAviansFlightLifeRegeneration LVL 1 → UNIQUE Regenerate 100 Life per second if you have at least 1000 Maximum Energy ShieldLifeRegenerationWith1000EnergyShield T2 · LVL 1 → UNIQUE Regenerate 100 Life per second if you have at least 1000 Maximum Energy ShieldLifeRegenerationWith1000EnergyShield T1 · LVL 58 → UNIQUE Regenerate 100 Life per second while movingLifeRegenerationWhileMoving LVL 1 → 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 Energy Shield per secondEnergyShieldRegenerationPerMinute T3 · LVL 1 → UNIQUE Regenerate 2% of Energy Shield per second while on Low LifeEnergyShieldRegenerationperMinuteWhileOnLowLife LVL 45 → 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 for each different Ailment affecting youLifeRegenerationPercentPerAilment LVL 18 → UNIQUE Regenerate 2% of Life per second if you have been Hit RecentlyLifeRegenerationIfHitRecently LVL 1 →