Find the rules behind the item.

UNIQUE Gain 100 Mana per Enemy KilledManaGainedFromEnemyDeath T4 · LVL 1 → UNIQUE Gain 2 Mana per Enemy Hit with AttacksManaGainPerTarget T3 · LVL 1 → UNIQUE Gain 3 Mana per Enemy Hit with AttacksManaGainPerTarget T2 · LVL 15 → UNIQUE Gain 3 Mana per Enemy KilledManaGainedFromEnemyDeath T4 · LVL 1 → UNIQUE Gain 3 Mana per Enemy KilledManaGainedFromEnemyDeath T4 · LVL 1 → UNIQUE Gain 3 Mana per Taunted Enemy HitManaOnHitVsTauntedEnemy LVL 1 → UNIQUE Gain 30 Mana per Enemy Hit with AttacksManaGainPerTarget T3 · LVL 1 → UNIQUE Gain 30 Mana per Enemy KilledManaGainedFromEnemyDeath T4 · LVL 1 → UNIQUE Gain 4 Mana per Enemy Hit with AttacksManaGainPerTarget T1 · LVL 24 → UNIQUE Gain 4 Mana per Enemy KilledManaGainedFromEnemyDeath T3 · LVL 15 → UNIQUE Gain 5 Mana per Enemy KilledManaGainedFromEnemyDeath T2 · LVL 24 → UNIQUE Grace has 20% increased Mana Reservation EfficiencyGraceReservationEfficiency LVL 48 → UNIQUE Grace has 20% increased Mana Reservation EfficiencyGraceReservation LVL 48 → UNIQUE Grants (2-3) Mana per Enemy HitManaGainPerTargetLocal T1 · LVL 1 → UNIQUE Grants 10 Life and Mana per Enemy HitLifeAndManaOnHitLocal T1 · LVL 1 → UNIQUE Grants 10 Mana per Enemy Hit Grants 28 Life per Enemy HitLifeAndManaOnHitSeparatedLocal T1 · LVL 1 → UNIQUE Grants 14 Life and Mana per Enemy HitLifeAndManaOnHitLocal T1 · LVL 1 → UNIQUE Grants 14 Mana per Enemy Hit Grants 38 Life per Enemy HitLifeAndManaOnHitSeparatedLocal T1 · LVL 1 → UNIQUE Grants 2 Mana per Enemy HitManaGainPerTargetLocal T1 · LVL 1 → UNIQUE Grants 30 Mana per Enemy HitManaGainPerTargetLocal T1 · LVL 1 → UNIQUE Grants 6 Life and Mana per Enemy HitLifeAndManaOnHitLocal T1 · LVL 1 → UNIQUE Grants 6 Mana per Enemy Hit Grants 15 Life per Enemy HitLifeAndManaOnHitSeparatedLocal T1 · LVL 1 → UNIQUE Hatred has 100% increased Mana Reservation EfficiencyHyrrisTruthHatredManaReservationFinal LVL 1 → UNIQUE Hatred has 100% increased Mana Reservation EfficiencyHatredReservationEfficiency LVL 1 → UNIQUE Herald of Agony has (30-40)% increased Mana Reservation EfficiencyHeraldBonusAgonyReservationEfficiency LVL 1 → UNIQUE Herald of Agony has (40-30)% increased Mana Reservation EfficiencyHeraldBonusAgonyReservation LVL 1 → UNIQUE Herald of Ash has (30-40)% increased Mana Reservation EfficiencyHeraldBonusAshReservationEfficiency LVL 1 → UNIQUE Herald of Ash has (40-30)% increased Mana Reservation EfficiencyHeraldBonusAshReservation LVL 1 → UNIQUE Herald of Ice has (30-40)% increased Mana Reservation EfficiencyHeraldBonusIceReservationEfficiency LVL 1 → UNIQUE Herald of Ice has (40-30)% increased Mana Reservation EfficiencyHeraldBonusIceReservation LVL 1 →