List of Current Rare Monster Modifiers (before the balance pass being done over the next few days)
 
Hasted
 
40% increased Movement Speed
100% increased Evasion Rating
Nearby Allies have 30% increased Attack and Cast Speed
 
Gargantuan
 
20% increased Damage
40% increased maximum Life
80% increased Area of Effect
 
Flameweaver
 
25% of Physical Damage Converted to Fire Damage
50% of Physical Damage as Extra Fire Damage
50% increased Fire Damage
+50% to Fire Resistance
+10% to maximum Fire Resistance
Immune to Scorch
Inflicts Fire Exposure on Hit
 
Stormweaver
 
25% of Physical Damage Converted to Lightning Damage
50% of Physical Damage as Extra Lightning Damage
50% increased Lightning Damage
+50% to Lightning Resistance
+10% to maximum Lightning Resistance
Immune to Lightning Ailments
Inflicts Lightning Exposure on Hit
 
Frostweaver
 
25% of Physical Damage Converted to Cold Damage
50% of Physical Damage as Extra Cold Damage
50% increased Cold Damage
+50% to Cold Resistance
+10% to maximum Cold Resistance
Immune to Cold Ailments
Inflicts Cold Exposure on Hit
 
Chaosweaver
 
25% of Physical Damage Converted to Chaos Damage
15% of Non-Chaos Damage as extra Chaos Damage
+50% to Chaos Resistance
+10% to maximum Chaos Resistance
Immune to Wither
 
Steel-infused
 
Overwhelm 30% Physical Damage Reduction
40% increased Physical Damage
50% additional Physical Damage Reduction
Cannot be Stunned
 
Incendiary
 
Ignites on Hit
All Damage with Hits can Ignite
25% increased Ignite Duration
300% increased Ignite Damage
+75% to Fire Resistance
60% less Duration of Ignites on Self
 
Dynamo
 
Shocks on Hit
All damage with Hits can Shock
25% increased Shock Effect
50% increased Shock Duration
Immune to Shock
 
Permafrost
 
25% chance to Freeze on Hit
All damage with Hits can Freeze
25% increased Freeze Duration
Immune to Freeze and Chill
 
Toxic
 
Poisons on Hit
All damage with Hits can Poison
30% increased Poison Damage
30% increased Poison Duration
+50% to Chaos Resistance against Damage over Time
 
Bloodletter
 
Bleed on Hit
100% increased Damage with Bleeding
25% increased Bleeding Duration
25% reduced Damage taken from Physical Damage over Time
Nearby Enemies are Maimed with 30% reduced Movement Speed
 
Splinterer
 
Skills fire 4 additional Projectiles
30% increased Projectile Damage
50% chance to Avoid Projectiles
 
Deadeye
 
Randomly applies Poacher's Mark, Assassin's Mark or Warlord's Mark
20% increased Damage
60% less Damage taken if you have not been Hit Recently
200% increased Evasion Rating if you have been Hit Recently
Nearby Allies have 100% increased Accuracy Rating and 100% increased Critical Strike Chance
 
Arcane Buffer
 
150% faster start of Energy Shield Recharge
Chaos Damage taken does not bypass Energy Shield
When Energy Shield is depleted, triggers a weak nova that knocks back and briefly stuns enemies
Nearby Allies have 40% of Maximum Life as Extra Maximum Energy Shield
 
Echoist
 
Skills Repeat two additional times
200% increased Attack and Cast Speed
Stunned for 1.5 seconds after using a Skill
 
Bonebreaker
 
Always Stuns Enemies on Hit
25% chance to Double Stun Duration
30% reduced Attack and Cast Speed
100% increased Accuracy Rating
Cannot be Stunned
Nearby Allies have 40% increased Physical Damage
 
Sentinel
 
50% chance to Block Attack Damage
50% chance to Block Spell Damage
+10% to maximum Chance to Block Attack Damage
+10% to maximum Chance to Block Spell Damage
Triggers a Delayed Reckoning when Hit (1.5 second Cooldown)
 
Juggernaut
 
20% increased Damage
+2 to Maximum Endurance Charges
Gain 2 Endurance Charges every second if you've been Hit Recently
30% increased Area of Effect
Action Speed cannot be modified to below base value
Movement Speed cannot be modified to below base value
Cannot be Stunned
 
Vampiric
 
All Damage from Hits is Leeched as Life
Life Leech effects are not removed on Full Life
200% increased total Recovery per second from Life Leech
25% increased Damage while Leeching
Enemies Cannot Leech From You
 
Overcharged
 
+2 to Maximum Frenzy, Power and Endurance Charges
Every 3 seconds adds 3 Frenzy, Power or Endurance charges for 9 seconds
 
Consecrator
 
Spawns Consecrated Ground for 6 seconds (6 second cooldown, 4 second global cooldown)
Consecrated Ground grants 2% Life Regenerated Per Second to Allies and 50% reduced Effect of Curses
Take 30% reduced Elemental Damage while on Consecrated Ground
 
Frenzied
 
Every 9 seconds become Frenzied for 5 seconds
50% increased Damage while Frenzied
50% increased Action Speed while Frenzied
50% reduced Damage Taken while Frenzied
 
Berserker
 
Gains Increased Damage with life lost up to 40% at zero life
Gains Increased Movement Speed with life lost up to 40% at zero life
Gains Increased Attack and Cast Speed with life lost up to 75% at zero life
Gains reduced Damage Taken with life lost up to 30% at zero life
Immune to Culling Strike
 
Soul Conduit
 
Nearby monsters are raised to fight again on Death
 
Oppressor
 
Nearby Enemies have Oppression, causing them to deal 30% less Damage, take 30% increased Damage and have 20% reduced Movement Speed
 
Bombardier
 
Skills fire 2 additional Projectiles
Skills Chain 2 additional times
Projectiles have 20% chance to be able to Chain when colliding with terrain
Projectiles gain Damage as they travel farther, dealing up to 60% increased Damage with Hits to targets
Periodically Fires a Nova of Fire Mortars (6 second cooldown)
 
Heralding Minions
 
Rare Minions spawn Invulnerable Totems on death that cast a Lightning Nova Spell
Totems despawn on death
 
Empowering Minions
 
Rare Minions have 30% increased Damage
Rare Minions have 100% increased maximum Life
Gain a random common Archnemesis Mod when a Rare Minion dies (maximum 3)
 
Necromancer
 
Rare Minions have 40% increased Damage
Rare Minions have 150% increased maximum Life
30% increased maximum Life
10% of Non-Chaos Damage as extra Chaos Damage
 
Summons Skeletons and Zombies
 
Assassin
 
All hits are Critical Strikes
Blind on Hit
100% increased Blind Effect
Take no Extra Damage from Critical Strikes
Teleports to distant Enemies creating a Smoke Cloud (3 second cooldown)
 
Rejuvenating
 
Regenerate 2% of Life per second
20% increased maximum Life
Periodically casts a Healing Nova that causes nearby allies to regenerate 50% of life over 2 seconds as well as preventing players from recovering Life or Energy Shield (8 second cooldown, 5 second global cooldown)
Healing Nova does not affect itself
 
Executioner
 
15% Damage with Hits per 10% missing Enemy Life
Immune to Culling Strike
Nearby Enemies cannot Recover Life or Energy Shield to above 50%
 
Hexer
 
Hexproof
Summons an invulnerable Hexing Effigy that places 3 randomly selected Hex areas, chosen from Temporal Chains, Enfeeble, Elemental Weakness, Punishment and Vulnerability
 
Drought Bringer
 
Regenerate 1.5% of Life per second
Removes a Power, Frenzy or Endurance charges on Hit
Nearby Enemies' Flasks lose 15 Charges every 3 seconds
 
Entangler
 
Poisons on Hit
All damage with Hits can Poison
+50% to Chaos Resistance
Applies Grasping Vines to Enemies, which slows them and causes them to take Chaos Damage over Time (3 second cooldown, 2 second global cooldown)
Moving will break the Vines over time
Travel Skills will break all Vines instantly, but doing so causes players to take 10% of their maximum Life and Energy Shield as Chaos Damage
 
Temporal Bubble
 
Surrounded with a Temporal Bubble which prevents all damage originating from sources outside its radius
Enemies with the Temporal Bubble have 25% reduced Action Speed, 60% reduced Cooldown Recovery Rate and Debuffs on them expire 40% slower
 
Treant Horde
 
Rare minions are replaced with Powerful Spriggans
50% of Damage from Hits is taken from Rare minions Life before you
Final Gasp
Summons an immortal ghost of the Rare monster on death that lasts for 5 seconds
 
Flame Strider
 
50% of Physical Damage Converted to Fire Damage
25% of Physical Damage as Extra Fire Damage
30% increased Fire Damage
+40% to Fire Resistance
Cannot be Scorched
Ignite on Hit
200% increased Ignite Damage
Leaves a Trail of Burning Ground
Trigger Inferno Bolt when Hit (0.5s global cooldown)
Rare Minions create Flame Beacons on Death
 
Frost Strider
 
50% of Physical Damage Converted to Cold Damage
25% of Physical Damage as Extra Cold Damage
30% increased Cold Damage
+40% to Cold Resistance
200% increased Chill Effect
Immune to Cold Ailments
Leaves a Trail of Chilling Ground
Trigger Snow bolt when Hit (1s cooldown, 0.5s global cooldown)
Rare Minions create Frost Beacons on Death
 
Storm Strider
 
50% of Physical Damage Converted to Lightning Damage
25% of Physical Damage as Extra Lightning Damage
30% increased Lightning Damage
+40% to Lightning Resistance
Immune to Lightning Ailments
Leaves a Trail of Shocked Ground
Trigger Lightning Mirage when Hit (0.75s cooldown, 0.5s global cooldown)
Rare Minions create Lightning Beacons on Death
 
Ice Prison
 
50% of Physical Damage Converted to Cold Damage
25% of Physical Damage as Extra Cold Damage
30% increased Cold Damage
+40% to Cold Resistance
Immune to Cold Ailments
25% additional Physical Damage Reduction
Periodically creates a barrier of Ice around the player for 3 seconds (5 second cooldown, 5 second global cooldown)
 
Magma Barrier
 
50% of Physical Damage Converted to Fire Damage
25% of Physical Damage as Extra Fire Damage
30% increased Fire Damage
+40% to Fire Resistance
25% additional Physical Damage Reduction
Surrounded by a Magma Barrier that takes 90% of Damage from Hits up to a fixed amount
When the Magma Barrier is depleted it explodes for massive Fire Damage
Barrier returns 10 seconds after exploding
Periodically spawns Fire Volatiles that chase players (9 second cooldown)
 
Mana Siphoner
 
50% of Physical Damage Converted to Lightning Damage
25% of Physical Damage as Extra Lightning Damage
30% increased Lightning Damage
+40% to Lightning Resistance
Immune to Lightning Ailments
Surrounded by a Mana Siphoning Ring Aura
Enemies in the Aura take Lightning Damage Over Time and lose Mana every second
Enemies standing inside the Ring are not affected by the Aura
 
Storm Herald
 
50% of Physical Damage Converted to Lightning Damage
25% of Physical Damage as Extra Lightning Damage
30% increased Lightning Damage
+40% to Lightning Resistance
Immune to Lightning Ailments
Casts Lightning Storms targeting Enemies
 
Soul Eater
 
Gains Souls when nearby allies die
Each Soul grants 5% increased Damage, Attack Speed and Cast Speed
Summons a Phantasm monster every 4 seconds
 
Corpse Detonator
 
+40% to Fire Resistance
Creates Corpses nearby (10 second cooldown)
Ignites nearby Corpses, detonating them after a duration
 
Evocationist
 
Ignites on Hit
Shocks on Hit
All damage with Hits can Ignite
All damage with Hits can Shock
All damage with Hits can Chill
+50% to all Elemental Resistances
50% of Physical Damage as Extra Damage of a random Element
 
Mirror Image
 
Periodically creates several clones (8 second cooldown)
Clones do not inherit any mods from the original monster
 
Corrupter
 
Inflicts Corrupted Blood on Hit
Inflicts Corrupted Blood when Hit
 
Invulnerable
 
Rare Minions cannot be damaged while Rare monster is alive
30% chance to Block Attack Damage
30% chance to Block Spell Damage
Every 9 seconds cannot be damaged for 4.5 seconds
 
Crystal-skinned
 
+40% to all Elemental Resistances
40% of Physical Damage as Extra Damage of a random Element
Fires crystals under Player's when they hit you (0.2 second cooldown)
Crystals deal no damage and despawn after 12 seconds
When the Rare monster dies all crystals charge up and explode, dealing Cold damage
 
Empowered Elements
 
Every four seconds gain a new affinity cycling between Fire, Cold, Lightning, Physical and Chaos
While you have an affinity you have 90% reduced Damage Taken from all other damage types and 50% increased Damage taken of the affinity damage type
Fire Affinity grants 100% of Physical Damage as Extra Fire Damage
Cold Affinity grants 100% of Physical Damage as Extra Cold Damage
Lightning Affinity grants 100% of Physical Damage as Extra Lightning Damage
Physical Affinity grants 60% increased Physical Damage
Chaos Affinity grants 30% of Physical Damage as Extra Chaos Damage
 
Effigy
 
Summons an Effigy of a targeted player (10 second cooldown)
Effigy links to target player, while linked all damage from Hits taken by the Effigy is also taken by the player as reflected damage
Effigy can taunt other Enemies to attack it
Running away from the Effigy will sever the link between it and the player
 
Trickster
 
Suppress Spell Damage
Prevent +10% of Suppressed Spell Damage
50% less Damage Over Time Taken
Non-Damaging Ailments Reflection
Every 8 seconds go into Flee for 4 seconds
While fleeing avoid 75% of Damage from Hits, gain 200% increased Movement Speed and 1000% increased Evasion Rating
While fleeing cast Frost Walls targeting players (1.5 second cooldown, 1.5 second global cooldown)
 
Opulent
 
5000% increased Quantity of Items Dropped
20000% increased Rarity of Items Dropped
Creates Cursed Urns which can contain valuable loot but apply Gambler's Greed for 10 seconds
Gambler's Greed increases damage taken by 20% and reduces action speed by 10% per stack (maximum 5 stacks)
 
Lunaris-touched
 
50% increased Damage
+60% to Cold Resistance
10% additional Physical Damage Reduction
Spawns apparitions of Lunaris which use their skills
 
Solaris-touched
 
50% increased Damage
+60% to Fire Resistance
10% additional Physical Damage Reduction
Spawns apparitions of Solaris which use their skills
 
Arakaali-touched
 
50% increased Damage
+60% to Chaos Resistance
10% additional Physical Damage Reduction
Spawns apparitions of Arakaali which use their skills
 
Brine King-touched
 
50% increased Damage
+60% to Cold Resistance
20% additional Physical Damage Reduction
Spawns apparitions of the Bring King which use their skills
 
Tukohama-touched
 
50% increased Damage
+60% to Fire Resistance
20% additional Physical Damage Reduction
Spawns apparitions of Tukohama which use their skills
 
Abberath-touched
 
50% increased Damage
+60% to Fire Resistance
15% additional Physical Damage Reduction
Spawns apparitions of Abberath which use their skills
 
Shakari-touched
 
50% increased Damage
+60% to Chaos Resistance
10% additional Physical Damage Reduction
Spawns apparitions of Shakari which use their skills
 
Innocence-touched
 
50% increased Damage
+40% to all Elemental Resistances
15% additional Physical Damage Reduction
Spawns apparitions of Innocence which use their skills
 
Kitava-touched
 
50% increased Damage
+30% to all Elemental Resistances
25% additional Physical Damage Reduction
Spawns apparitions of Kitava which use their skills

Path of Exile uses the term "burning damage" as a synonym for "fire damage over time".