Find the rules behind the item.

UNIQUE Sacrifice 10% of your Life when you Use or Trigger a Spell SkillSacrificeLifeOnSpellSkill LVL 1 → UNIQUE Sacrifice 20% of Life to gain that much Energy Shield when you Cast a SpellSacrificeLifeToGainES T1 · LVL 41 → 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 Golem Skills gain 20% of Maximum Life as Extra Maximum Energy ShieldLocalGolemLifeAddedAsES LVL 1 → UNIQUE Socketed Golem Skills have Minions Regenerate 5% of Life per secondLocalGolemLifeRegeneration LVL 1 → 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 Strength provides no bonus to Maximum LifeNoMaximumLifePerStrength T1 · LVL 1 → UNIQUE Strength provides no bonus to Maximum LifeNoMaximumLifePerStrength T1 · LVL 1 → UNIQUE Summoned Raging Spirits have (20-30)% increased maximum LifeRagingSpiritLife T1 · LVL 1 → UNIQUE Summoned Raging Spirits have (25-40)% increased maximum LifeRagingSpiritLife T1 · LVL 1 → UNIQUE Supreme EgoSupremeEgo LVL 1 → UNIQUE The AgnosticTheAgnostic T1 · LVL 1 → UNIQUE The AgnosticTheAgnostic T1 · LVL 1 → UNIQUE Vaal PactVaalPact T2 · LVL 1 → UNIQUE Vaal PactVaalPact T2 · LVL 1 → UNIQUE Vaal PactVaalPact T1 · LVL 46 → UNIQUE Vitality has 20% increased Mana Reservation EfficiencyVitalityReservationEfficiency LVL 48 → UNIQUE Vitality has 20% increased Mana Reservation EfficiencyVitalityReservation LVL 48 → UNIQUE Warcries Cost +15% of LifeWarcryLifeCost LVL 75 → UNIQUE When a nearby Minion dies, gain Rotten Bulwark equal to (7-9)% of its maximum LifeFleshShieldOnMinionDeath LVL 80 → 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 → UNIQUE When you Cast a Spell, Sacrifice all Mana to gain Added Maximum Lightning Damage equal to 50% of Sacrificed Mana for 4 secondsDrainAllManaLightningDamage T2 · LVL 1 → UNIQUE While on Low Life, Life Flasks gain (3-6) Charges every 3 secondsLifeFlaskPassiveChargeGainOnLowLife LVL 70 →