Find the rules behind the item.

UNIQUE +(50-60)% to Lightning Resistance while affected by Herald of ThunderHeraldBonusThunderLightningResist LVL 1 → UNIQUE +(50-75)% to Lightning ResistanceLightningResistance T5 · LVL 1 → UNIQUE +(75-100)% to Lightning Resistance when Socketed with a Blue GemLightningResistanceWhenSocketedWithBlueGem LVL 1 → UNIQUE +(8-12)% to Cold and Lightning ResistancesColdAndLightningResistance T2 · LVL 78 → UNIQUE +(8-12)% to Fire and Lightning ResistancesFireAndLightningResistance T1 · LVL 78 → UNIQUE +(9-10)% to Lightning ResistanceLightningResistance T4 · LVL 15 → UNIQUE +1 to Level of Socketed Lightning GemsLocalIncreaseSocketedLightningGemLevel T1 · LVL 65 → UNIQUE +1 to Level of all Lightning Skill Gems if 6 Crusader Items are EquippedGlobalLightningGemLevel6CrusaderItems LVL 1 → UNIQUE +1 to Level of all Lightning Spell Skill GemsGlobalIncreaseLightningSpellSkillGemLevel T1 · LVL 1 → UNIQUE +1% to Chaos Resistance per 1% Lightning ResistanceUniqueAmuletChaosResistancePerLightningResistance LVL 1 → UNIQUE +1% to maximum Lightning ResistanceMaximumLightningResistanceImplicit T2 · LVL 60 → UNIQUE +1% to maximum Lightning Resistance while affected by Herald of ThunderHeraldBonusThunderMaxLightningResist LVL 1 → UNIQUE +10% chance to be Frozen, Shocked and IgnitedChanceToBeFrozenShockedIgnited LVL 1 → UNIQUE +2 to Level of all Lightning Spell Skill GemsGlobalIncreaseLightningSpellSkillGemLevel T1 · LVL 1 → UNIQUE +20% chance to be ShockedChanceToBeShocked T1 · LVL 1 → UNIQUE +25% to Lightning ResistanceLightningResistance T5 · LVL 1 → UNIQUE +3% to maximum Lightning ResistanceMaximumLightningResistance T2 · LVL 1 → UNIQUE +3% to maximum Lightning ResistanceMaximumLightningResistanceImplicit T1 · LVL 65 → UNIQUE +30% to Lightning ResistanceLightningResistance T5 · LVL 1 → UNIQUE +30% to Lightning ResistanceLightningResistance T5 · LVL 1 → UNIQUE +4% to maximum Lightning ResistanceMaximumLightningResistance T1 · LVL 35 → UNIQUE +40% to Lightning ResistanceLightningResistance T5 · LVL 1 → UNIQUE +40% to Maximum Effect of ShockMaximumShockOverride LVL 1 → UNIQUE +5% to maximum Lightning ResistanceMaximumLightningResistance T2 · LVL 1 → UNIQUE +50% chance to be ShockedChanceToBeShocked T1 · LVL 1 → UNIQUE +75% to Lightning ResistanceLightningResistance T5 · LVL 1 → UNIQUE +8% to Lightning ResistanceLightningResistance T5 · LVL 1 → UNIQUE -(15-10) Lightning Damage taken from HitsFlatLightningDamageTaken T3 · LVL 1 → UNIQUE -(20-10)% to Lightning ResistanceLightningResistance T5 · LVL 1 → UNIQUE -(40-16) Lightning Damage taken from HitsFlatLightningDamageTaken T2 · LVL 15 →