Damage Reduction/Vanilla NPCs

Enemy	DR
Antlion Swarmer	5%
Crab
Deerclops
Headless Horseman
Pirate Captain
Queen Bee
Sea Snail
Skeletron
Skeletron Hand
Anomura Fungus	10%
Antlion
Antlion Charger
Arapaima
Armored Viking
Betsy
The Destroyer Head
Everscream
Granite Elemental
Hoplite
The Hungry
Ice Golem
Ice Queen
Mourning Wood
Ogre (T2)
Plantera's Tentacle
Pumpking
Sand Elemental
Skeleton Archer
Undead Viking
Armored Skeleton	15%
Duke Fishron
Dutchman Cannon
Elf Copter
Empress of Light
Granite Golem
Lunatic Cultist
Moon Lord (All parts)
Ogre (T3)
Plantera
Angry Bones (Variants only)	20%
Blue Armored Bones
Bone Lee
Crawdad
The Destroyer Body
Diabolist
Dungeon Spirit
Giant Cursed Skull
Giant Shelly
Hell Armored Bones
Martian Drone
Martian Saucer (All parts)
Mothron
Necromancer
Prime Cannon
Prime Laser
Prime Saw
Prime Vice
Probe
Ragged Caster
Retinazer
Rusty Armored Bones
Skeleton Commando
Skeleton Sniper
Skeletron Prime
Spazmatism
Tactical Skeleton
Tesla Turret
Golem (All parts)	25%
Possessed Armor
Corrupt Mimic	30%
Crimson Mimic
Hallowed Mimic
Jungle Mimic
Mimic
Present Mimic
Giant Tortoise	35%
Ice Tortoise
Martian Walker
Santa-NK1
The Destroyer Tail
Deadly Sphere	40%
Paladin	45%
Mothron Egg	50%
Wall of Flesh Mouth
Dungeon Guardian	90%