Find the rules behind the item.

UNIQUE Cannot LeechCannotLeech LVL 1 → UNIQUE Cannot Leech LifeCannotLeechLife LVL 1 → UNIQUE Cannot Leech Life from Critical StrikesCannotLeechFromCriticalStrikes LVL 1 → UNIQUE Cannot Leech or Regenerate ManaNoManaLeechOrRegen T1 · LVL 1 → UNIQUE Cannot Leech or Regenerate ManaNoManaLeechOrRegen T1 · LVL 1 → UNIQUE Chaos Damage is taken from Mana before LifeChaosDamageRemovedFromManaBeforeLife T2 · LVL 1 → UNIQUE Chaos Damage taken does not bypass Energy Shield while not on Low ManaChaosDamageDoesNotBypassESWhileNotLowMana LVL 1 → UNIQUE Curse Skills cost Life instead of Mana Curse Aura Skills reserve Life instead of ManaCurseSkillsCostAndReserveLife T2 · LVL 1 → UNIQUE Curse Skills cost Life instead of Mana Curse Aura Skills reserve Life instead of ManaCurseSkillsCostAndReserveLife T1 · LVL 68 → UNIQUE Deal 3% increased Damage Over Time per 100 Player Maximum LifeDamageOverTimePer100PlayerMaxLife LVL 1 → UNIQUE Determination has 20% increased Mana Reservation EfficiencyDeterminationReservation LVL 48 → UNIQUE Determination has 20% increased Mana Reservation EfficiencyDeterminationReservationEfficiency LVL 48 → UNIQUE Discipline has 20% increased Mana Reservation EfficiencyDisciplineReservation LVL 48 → UNIQUE Discipline has 20% increased Mana Reservation EfficiencyDisciplineReservationEfficiency LVL 48 → UNIQUE Eldritch Battery during Effect Life Recovery from Flasks also applies to Energy Shield during EffectFlaskEldritchBattery LVL 1 → UNIQUE Eternal YouthEternalYouth T2 · LVL 1 → UNIQUE Eternal YouthEternalYouth T2 · LVL 1 → UNIQUE Eternal YouthEternalYouth T1 · LVL 46 → UNIQUE Every 4 seconds, Regenerate 35% of Life over one second if 2 Hunter Items are EquippedRegenerateLifeOver1Second2HunterItems LVL 1 → UNIQUE For each nearby corpse, Regenerate 0.25% Life per second, up to 3%LifeRegenerationPerNearbyCorpse LVL 1 → UNIQUE For each nearby corpse, Regenerate 8.00 Life per secondFlatLifeRegenerationPerNearbyCorpse LVL 1 → UNIQUE Gain (1-100) Mana per Enemy KilledManaGainedFromEnemyDeath T4 · LVL 1 → UNIQUE Gain (1-2) Life per Enemy Hit with AttacksLifeGainPerTarget T5 · LVL 1 → UNIQUE Gain (10-14) Mana per Cursed Enemy Hit with AttacksManaGainOnHitCursedEnemy LVL 1 → UNIQUE Gain (10-20) Life per Enemy KilledLifeGainedFromEnemyDeath T5 · LVL 1 → UNIQUE Gain (10-20) Mana on Culling StrikeManaGainOnCull LVL 1 → UNIQUE Gain (10-20)% of Missing Unreserved Life before being Hit by an EnemyGainMissingLifeOnHit LVL 62 → UNIQUE Gain (100-200) Life per Enemy KilledLifeGainedFromEnemyDeath T5 · LVL 1 → UNIQUE Gain (12-15) Life per Enemy KilledLifeGainedFromEnemyDeath T3 · LVL 24 → UNIQUE Gain (120-150) Life on Culling StrikeLifeGainOnCull LVL 1 →