Find the rules behind the item.

UNIQUE +3% to maximum Chance to Block Spell Damage if 4 Shaper Items are EquippedMaximumSpellBlockChance4ShaperItems LVL 1 → UNIQUE +30% Chance to Block Spell Damage while on Low LifeSpellBlockPercentageOnLowLife T2 · LVL 1 → UNIQUE +5% Chance to BlockIncreasedShieldBlockPercentage T2 · LVL 1 → UNIQUE +5% Chance to BlockIncreasedShieldBlockPercentage T2 · LVL 1 → UNIQUE +5% Chance to BlockIncreasedShieldBlockPercentage T2 · LVL 1 → UNIQUE +5% Chance to BlockIncreasedShieldBlockPercentage T2 · LVL 1 → UNIQUE +5% Chance to BlockIncreasedShieldBlockPercentage T2 · LVL 1 → UNIQUE +5% Chance to BlockIncreasedShieldBlockPercentage T2 · LVL 1 → UNIQUE +5% Chance to BlockIncreasedShieldBlockPercentage T2 · LVL 1 → UNIQUE +5% Chance to BlockIncreasedShieldBlockPercentage T2 · LVL 1 → UNIQUE +5% Chance to BlockIncreasedShieldBlockPercentage T2 · LVL 1 → UNIQUE +5% Chance to BlockIncreasedShieldBlockPercentage T1 · LVL 8 → UNIQUE +5% Chance to Block Attack DamageAdditionalBlock T2 · LVL 1 → UNIQUE +5% Chance to Block Attack Damage from Taunted EnemiesAdditionalChanceToBlockAgainstTauntedEnemies LVL 1 → UNIQUE +5% Chance to Block Attack Damage if you've dealt a Critical Strike RecentlyAdditionalBlockChanceIfCritRecently LVL 1 → UNIQUE +5% Chance to Block Attack Damage while Dual WieldingBlockWhileDualWielding T1 · LVL 1 → UNIQUE +5% Chance to Block Attack Damage while on Consecrated GroundBlockChanceOnConsecratedGround LVL 1 → UNIQUE +5% Chance to Block Attack Damage while wielding a StaffStaffBlockPercent T2 · LVL 1 → UNIQUE +5% Chance to Block Attack Damage while you have at least 10 Crab BarriersAdditionalBlockChance10CrabBarriers LVL 1 → UNIQUE +5% Chance to Block Spell Damage per Power ChargeChanceToBlockSpellsPerPowerCharge T2 · LVL 1 → UNIQUE +6% Chance to BlockIncreasedShieldBlockPercentage T2 · LVL 1 → UNIQUE +6% Chance to BlockIncreasedShieldBlockPercentage T2 · LVL 1 → UNIQUE +6% Chance to BlockIncreasedShieldBlockPercentage T2 · LVL 1 → UNIQUE +6% Chance to Block Attack Damage while wielding a StaffStaffBlockPercent T2 · LVL 1 → UNIQUE +8% Chance to Block Attack Damage while Dual WieldingBlockWhileDualWielding T1 · LVL 1 → UNIQUE +8% Chance to Block Attack Damage while Dual Wielding ClawsBlockWhileDualWieldingClaws LVL 1 → UNIQUE -10% Chance to BlockIncreasedShieldBlockPercentage T2 · LVL 1 → UNIQUE -10% to maximum Chance to Block Attack DamageMaximumBlockChance T2 · LVL 1 → UNIQUE -10% to maximum Chance to Block Attack DamageMaximumBlockChance T2 · LVL 1 → UNIQUE -10% to maximum Chance to Block Spell DamageMaximumSpellBlockChance T2 · LVL 1 →