Damage Reduction

Damage Reduction is a stat that does exactly what it suggests: It reduces the amount of damage taken by a player or monster. Unlike other combat numbers that are complex calculations, a player's Damage Reduction is determined by simply adding together all Damage Reduction bonuses the player has, whether from equipment or something else like a Damage Reduction Potion or

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Leonardo

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Many monsters have Damage Reduction modifiers that affect their defensive stats.

Mechanics

Whenever a player or monster with Damage Reduction greater than 0% would receive damage, instead the damage they take is equal to:

[math]\displaystyle{ \text{Damage Taken} = \text{Base Damage} \times \left (1 - \text{Damage Reduction} \right ) }[/math]

Note that the Combat Triangle will affect how much damage reduction the player has if they are using a different style from the monster.

Damage Reduction Modifiers

Source	Type	Damage Reduction	Other Modifiers
Damage Reduction Potion IV	Item	+10% Damage Reduction
Damage Reduction Potion III	Item	+6% Damage Reduction
Guardian Amulet	Item (Amulet, Passive)	+5% Damage Reduction	+10% Attack Interval
Error creating thumbnail: File missing Holy Aegis	Prayer	+5% Damage Reduction
Damage Reduction Potion II	Item	+4% Damage Reduction
Defence Relic 5	Ancient Relic	+3% Damage Reduction
Error creating thumbnail: File missing Stone Skin	Prayer	+3% Damage Reduction
Damage Reduction Potion I	Item	+2% Damage Reduction
Error creating thumbnail: File missing Gods Enhancement (Superior)	Item (Enhancement1, Enhancement2, Enhancement3)	+2% Damage Reduction	+4% Maximum Hitpoints +20% chance to ignore Stun, Freeze or Crystallize
Error creating thumbnail: File missing Gods Enhancement 2 (Augmented)	Item (Enhancement2)	+2% Damage Reduction
Error creating thumbnail: File missing Lake Swim	Agility Obstacle 6	+1% Damage Reduction	+3% Chance To Preserve Prayer Points +5% Damage To All Monsters
Error creating thumbnail: File missing Raft Building	Agility Obstacle 8	+1% Damage Reduction	+20 Maximum Hitpoints +2% Damage To All Monsters
Error creating thumbnail: File missing Frozen Maze	Agility Obstacle 11	+1% Damage Reduction	-20% Ammo Preservation -3 Prayer Point Cost for Prayers -20% Rune Preservation -0.1s Monster Respawn Timer
Error creating thumbnail: File missing Gods Enhancement 2	Item (Enhancement2)	+1% Damage Reduction
Smithing Lesser Relic	Item (Consumable)	+1% Damage Reduction	-5% Smithing Interval +10% Global Evasion
Error creating thumbnail: File missing Yak	Item (Summon1, Summon2)	+1% Damage Reduction
Error creating thumbnail: File missing Erran	Pet	+1% Damage Reduction
Error creating thumbnail: File missing Leonardo	Pet	+1% Damage Reduction
Error creating thumbnail: File missing Safeguard	Prayer	+1% Damage Reduction
Error creating thumbnail: File missing Martyr	Prayer	-1% Damage Reduction	+40% Reflect Damage
Error creating thumbnail: File missing Spike Trap	Agility Obstacle 7	-2% Damage Reduction	-40 Maximum Hitpoints
Error creating thumbnail: File missing Mud Dive	Agility Obstacle 4	-4% Damage Reduction	+20 Maximum Hitpoints +2% Melee Max Hit +5% Melee Accuracy Rating
Masquerade Mask	Item (Consumable)	-4% Damage Reduction	+45 Stealth while Thieving -25% Thieving Stun Interval
Error creating thumbnail: File missing Lava Jump	Agility Obstacle 9	-6% Damage Reduction	-6% Mastery XP in all Skills -6% Auto Eat Efficiency -0.3s Monster Respawn Timer

Melee Damage Reduction Equipment

TO BE CREATED

Ranged Damage Reduction Equipment

TO BE CREATED

Mage Damage Reduction Equipment

TO BE CREATED

Monsters with Damage Reduction

TO BE CREATED