Find the rules behind the item.

UNIQUE 30% increased Projectile SpeedProjectileSpeed T9 · LVL 1 → UNIQUE 30% increased Projectile SpeedProjectileSpeed T9 · LVL 1 → UNIQUE 30% increased Projectile SpeedProjectileSpeed T9 · LVL 1 → UNIQUE 30% increased Projectile SpeedProjectileSpeed T3 · LVL 47 → UNIQUE 30% increased Projectile SpeedProjectileSpeed T1 · LVL 51 → UNIQUE 30% increased Rarity of Items Dropped by Frozen EnemiesIncreasedRarityWhenSlayingFrozen T1 · LVL 1 → UNIQUE 30% increased Rarity of Items Dropped by Slain Shocked EnemiesItemRarityWhenShocked LVL 1 → UNIQUE 30% increased Rarity of Items foundIncreasedItemRarity T1 · LVL 1 → UNIQUE 30% increased Rarity of Items foundIncreasedItemRarity T1 · LVL 1 → UNIQUE 30% increased Rarity of Items foundItemFoundRarityIncrease T12 · LVL 1 → UNIQUE 30% increased Rarity of Items foundItemFoundRarityIncrease T5 · LVL 25 → UNIQUE 30% increased Rarity of Items foundItemFoundRarityIncrease T4 · LVL 34 → UNIQUE 30% increased Rarity of Items found You and Nearby Allies have 30% increased Item RarityLocalDisplayYouAndNearbyAlliesHaveIncreasedItemRarity LVL 1 → UNIQUE 30% increased Skill Effect DurationSkillEffectDuration T1 · LVL 75 → UNIQUE 30% increased Stun Duration on EnemiesStunDurationIncreasePercent T4 · LVL 1 → UNIQUE 30% increased Warcry Cooldown Recovery RateWarcryCooldownSpeed T2 · LVL 35 → UNIQUE 30% increased Warcry Cooldown Recovery RateWarcryCooldownSpeed T1 · LVL 49 → UNIQUE 30% increased effect of OfferingsOfferingEffect LVL 68 → UNIQUE 30% increased maximum ManaMaximumManaIncreasePercent T6 · LVL 1 → UNIQUE 30% increased total Recovery per second from Life, Mana, or Energy Shield LeechLifeManaESLeechRate T1 · LVL 1 → UNIQUE 30% increased total Recovery per second from Life, Mana, or Energy Shield LeechLifeManaESLeechRate T1 · LVL 1 → UNIQUE 30% less Animate Weapon DurationAnimateWeaponDuration LVL 1 → UNIQUE 30% less DamageQuillRainWeaponDamageFinalPercent LVL 1 → UNIQUE 30% more Damage with Arrow Hits at Close Range while you have Iron ReflexesArborixMoreDamageAtCloseRange LVL 1 → UNIQUE 30% more Monster LifeMapMonsterLife T1 · LVL 1 → UNIQUE 30% of Cold and Lightning Damage taken as Fire Damage while affected by Purity of Fire Aura Skills other than Purity of Fire are Disabled Auras from your Skills have (20-40)% increased Effect on youSublimeVisionPurityOfFire LVL 1 → UNIQUE 30% of Damage is taken from Mana before LifeDamageRemovedFromManaBeforeLife T1 · LVL 1 → UNIQUE 30% of Fire Damage Converted to Chaos DamageConvertFireToChaos60PercentValue T1 · LVL 1 → UNIQUE 30% of Fire Damage Converted to Chaos DamageConvertFireToChaos T2 · LVL 1 → UNIQUE 30% of Fire Damage from Hits taken as Cold DamageFireDamageTakenAsCold T1 · LVL 62 →