Find the rules behind the item.

UNIQUE Damage Penetrates (3-5)% Fire ResistanceFireResistancePenetration T2 · LVL 60 → UNIQUE Damage Penetrates 10% Fire ResistanceFireResistancePenetration T1 · LVL 81 → UNIQUE Damage Penetrates 10% Fire Resistance against Blinded EnemiesFirePenetrationAgainstBlindedEnemies LVL 1 → UNIQUE Damage Penetrates 15% Fire ResistanceFireResistancePenetration T3 · LVL 1 → UNIQUE Damage Penetrates 15% of Fire Resistance if you have Blocked RecentlyFirePenetrationIfBlockedRecently LVL 1 → UNIQUE Damage Penetrates 20% Fire ResistancePenetrateEnemyFireResist LVL 1 → UNIQUE Damage Penetrates 25% Fire ResistanceEnemyFireResistance LVL 1 → UNIQUE Damage Penetrates Fire Resistance equal to your Overcapped Fire Resistance, up to a maximum of 200%OvercappedFireResistanceAsFirePrenetration LVL 100 → UNIQUE Damage with Weapons Penetrates (4-6)% Fire ResistanceFirePenetrationWeapon LVL 60 → UNIQUE Drops Scorched Ground while moving, lasting 4 secondsScorchedGroundWhileMoving LVL 1 → UNIQUE Each Rage also grants +2% to Fire Damage Over Time MultiplierFireDoTMultiPerRage LVL 1 → UNIQUE Enemies Ignited by you take Chaos Damage instead of Fire Damage from IgniteEnemiesIgniteChaosDamage LVL 62 → UNIQUE Enemies Killed by Zombies' Hits Explode, dealing 50% of their Life as Fire DamageZombiesExplodeEnemiesOnHit LVL 1 → UNIQUE Enemies Killed with Attack or Spell Hits Explode, dealing 10% of their Life as Fire DamageEnemiesExplodeOnDeath LVL 1 → UNIQUE Enemies inflict Elemental Ailments on you instead of nearby AlliesElementalAilmentsOnYouInsteadOfAllies LVL 1 → UNIQUE Every 8 seconds, gain Avatar of Fire for 4 secondsGainAvatarOfFireEvery8Seconds LVL 1 → UNIQUE Every Rage also grants 1% of Physical Damage as Extra Fire DamagePhysicalAddedAsFirePerRage LVL 1 → UNIQUE Fire Resistance is 70%FireResistanceOverride T1 · LVL 60 → UNIQUE Fire Resistance is 75%FireResistanceOverride T2 · LVL 1 → UNIQUE Gain (10-50)% of Physical Damage as Extra Fire DamagePhysicalAddedAsFire T4 · LVL 1 → UNIQUE Gain (15-25)% of Physical Damage as Extra Fire Damage while affected by AngerAngerPhysicalAddedAsFire LVL 1 → UNIQUE Gain (20-25)% of Cold Damage as Extra Fire DamageColdAddedAsFire LVL 1 → UNIQUE Gain (20-25)% of Physical Damage as Extra Fire DamagePhysicalAddedAsFire T4 · LVL 1 → UNIQUE Gain (20-40)% of Physical Damage as Extra Fire Damage if you've used a Ruby Flask RecentlyPhysicalAddedAsFireIfUsedRubyFlaskRecently LVL 1 → UNIQUE Gain (25-30)% of Fire Damage as Extra Chaos DamageChaosDamageAsPortionOfFireDamage LVL 1 → UNIQUE Gain (25-35)% of Physical Attack Damage as Extra Fire DamageAttackPhysicalDamageAddedAsFire T1 · LVL 30 → UNIQUE Gain (3-5)% of Physical Damage as Extra Fire DamagePhysicalAddedAsFire T3 · LVL 45 → UNIQUE Gain (30-40)% of Physical Attack Damage as Extra Fire DamageAttackPhysicalDamageAddedAsFire T2 · LVL 1 → UNIQUE Gain (4-6)% of Fire Damage as Extra Chaos DamageFireAddedAsChaos T2 · LVL 55 → UNIQUE Gain (6-8)% of Physical Damage as Extra Fire DamagePhysicalAddedAsFire T1 · LVL 55 →