Monster modifiers

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Some monsters spawn with affixes that make them more difficult. Magic monsters have one affix; Rare monsters have three affixes, one of which may be an aura. This system is similar to rarity on items, in that magic monsters have their affix added to their name and rare monsters are given a randomly generated name.

Converted or Dominated monsters will apply the aura to you and your party.

List of Affixes

Prefixes

Name	Effect
Hexproof	Immune to Curses (Requires monster level 16)
Massive¹	50% Increased Life
Plated	Takes 40% Reduced Physical Damage
Precise	40% more Accurate
Sanguine	Regenerates 100% More Life Per Second
Savage	Deals 25% Extra Damage
Splitting	Fires 2 Additional Projectiles
Steadfast	Cannot Be Stunned
Swift	Moves 50% Faster
Vengeful	Gives Frenzy Charges to allies on death

¹Also makes the character model 20% bigger.

Suffixes

Name	Effect
of Anger	Gains a Frenzy Charge for every quarter of Maximum Life lost
of Elemental Resistance	Gains 40% resistance to Elemental Damage
of Endurance	50% chance to gain an Endurance Charge on Hit
of Evasion	40% chance to evade attacks
of Fervor	40% increased attack speed
of Flames	25% of damage converted to fire damage
of Frost	25% of damage converted to cold damage
of the Lamprey	Leeches Life (requires monster level 40)

Auras

Note: These numbers are taken from an earlier version and may not be accurate.

Allies Have Energy Shield: Gives monsters an energy shield equal to 70% of their Life which absorbs damage and recharges when out of combat.

Allies Resist Elemental Damage: Increases monster elemental resistances by 35%.

Allies Reflect Physical Damage: Causes monsters to reflect 15% of the physical damage they receive back to their attacker. (Requires monster level 40)

Allies Reflect Elemental Damage: Causes monsters to reflect 15% of the elemental damage they receive back to their attacker. (Requires monster level 40)

Allies have Life Regeneration: Causes monsters to regenerate 2.5% of their maximum Life back per second.

Allies Deal Extra Physical Damage: Increases the damage that monsters deal by 30%.

Allies Deal Substantial Extra Physical Damage: Increases the damage that monsters deal by 50%.

Allies Have Increased Accuracy and Critical Strike Chance: Makes monsters 45% more accurate and increases their critical strike chance by 75%. For example, if they had a 5% critical strike chance before, now it would be 8.75%.

Allies Move and Attack Quickly: Increases monster cast speed, attack speed and movement speed.

Enemies Are Slowed: Decreases enemy movement and attack speed by 25%.

Other Allies Cannot Die: Nearby monsters can't have less than 1 life until they leave the aura radius or the monster using this aura is killed. If two monsters have this aura, they must be lured apart from each other.

Nemesis Affixes

All rare monsters have a chance to spawn with a Nemesis mod, in all leagues.

Ancestral Power: Randomly casts Searing Bond totems, with instant cast speed. Totem limit is 4.

Apparition: Adds no extra effect. See Soul Conduit below.

Berserker: On low life gains Fury (increases attack speed, increased movement speed, increased cast speed ... maybe more?).

Blessing of Elements (requires monster level 25): Randomly chills/ignites/shocks on hit.

Bringer of Bones (requires monster level 15): Randomly casts Module Error: Too many skills found with q_where = skill.active_skill_name="Summon Skeletons". Please choose only one of the following ids:
TempestDaemonSummonSkeletons - +(2-13) to Maximum Summoned Skeletons, Base duration is 20.00 seconds, Minions deal 50% less Elemental Damage, Summons (2-13) Skeleton Warriors (page)
SummonSkeletonsRoyale - +(3-6) to Maximum Summoned Skeletons, Base duration is 10.00 seconds, Minions have 30% more Maximum Life, Minions deal 30% less Damage, Summons (1-2) Skeleton Warriors (page), with instant cast speed. Skeletons will not decay over time like regular ones.

Bringer of Fragility: Curses targets with Module Error: Too many skills found with q_where = skill.active_skill_name="Vulnerability". Please choose only one of the following ids:
IzaroVulnerabilityPylonOnDeath - 40% increased Physical Damage taken, 20% chance to be inflicted with Bleeding when Hit by an Attack, Base duration is 10.00 seconds (page)
IzaroVulnerability - Base duration is (5.00-6.45) seconds, Cursed enemies take (15-25)% increased Physical Damage, Attacks Hits against Cursed Enemies have 25% chance to inflict Bleeding (page) on hit.

Bringer of Weakness (Requires monster level 4): Curses targets with Enfeeble on hit.

Chronophage (Requires monster level 25): Curses targets with Temporal Chains on hit.

Corrupting Blood (Requires monster level 40): Attacker receives one charge of Corrupted Blood per hit, which is a bleeding effect (physical damage over time) that stacks up to 20 charges. The debuff can be removed with Staunching flasks. You can avoid the damage to your character by using minions, traps/mines or totems.

Fractured: Splits into 8-12 lesser mobs of the same type upon death.

Hexfont (Requires monster level 15): Casts random curses every half second (estimated), with instant cast speed. You cannot be inflicted with more than one curse at the same time.

Inner Treasure (Requires monster level 40): Always drops a unique item on death.

Nullifier (Requires monster level 25): Removes charges and flask effects on hit (and timed buffs like Blood Rage? confirmation needed).

Proximity Shield (Requires monster level 40): Can only be damaged by hits originating from inside the shield.

Shroud Walker (Requires monster level 40): Periodically teleports to you via Module Error: Too many skills found with q_where = skill.active_skill_name="Smoke Mine". Please choose only one of the following ids:
WbSmokeMine - N/A (page)
MonsterSmokeMineSnakeDexMission - Base duration is (3.00-7.00) seconds, Buff grants (20-50)% increased Movement Speed (page), including the mine's blinding smoke effect.

Soul Conduit: Resurrects itself and all corpses around it upon death, forcing you to fight it again with the same mods (except for Soul Conduit, which is replaced by Apparition). Note: Monsters with no corpses (Water Elementals for example) and corpses destroyed with skills such as Module Error: Too many skills found with q_where = skill.active_skill_name="Detonate Dead". Please choose only one of the following ids:
DetonateDeadRoyale - Deals (10-105) to (15-158) Fire Damage, Explosion deals base Fire Damage equal to 6% of the corpse's Maximum Life, +(0-0.2) metres to radius, Base radius is 2.2 metres (page)
DetonateDead - Deals (15-798) to (22-1197) Fire Damage, Explosion deals base Fire Damage equal to (6-7.9)% of the corpse's Maximum Life, Base radius is (2.2-2.6) metres (page) and Module Error: Too many skills found with q_where = skill.active_skill_name="Raise Zombie". Please choose only one of the following ids:
ExperimenterBossRaiseZombieInvasion - +(3-10) to Maximum Raised Zombies, Minions have 90% more Maximum Life, Minions deal 30% more Damage (page)
NecromancerRaiseZombie - +(3-6) to Maximum Raised Zombies (page) will not be resurrected.

Soul Eater (Requires monster level 15): Consumes souls of other nearby monsters upon their death to become stronger. Each soul increases other affixes' effects, e.g. enough soul-fed nemesis with Life Regeneration becomes nearly unkillable due to crazy regen.

Storm Herald (Requires monster level 60): Casts Lightning Storm over the target continuously with a short delay (similar to the spell used by Piety of Theopolis). Multiple Lightning Storms can overlap creating a high risk area.

Vile Touch (Requires monster level 4): Applies Poison on hit.

Volatile Flame/Ice/Storm blood (requires monster level 2): Explodes upon death, dealing some (percentage of max life?) damage of the relevant elemental type in a small area of effect.

Bloodline affixes

In the Bloodlines league, every pack of magic monsters can spawn with a Bloodline modifier.

Bearers of the Guardian: Every mob slowly builds an animated guardian that can't be killed until the entire pack has been cleared.

Bond of Chaos: If the monsters are close to each other, they have an Ancestral Bond-like beam between each other.

Congealing Blood: When all the monsters die, a "Living Blood" elemental is summoned.

Corrupted Bloodline: Monsters apply bleeding on hit.

Cult of the Elements: Each monster has a buff to elemental damage. Being near them applies elemental status effects to you.

Cult of the Frozen Sky: Monsters use an ice version of Firestorm.

Flame/Frost/StormBearers: On death, each monster starts a storm-call-like bomb of their element.

Flaring/Rime/Static Pulseblood: Appears to create a searing bond type of effect that bounces between the mobs with the element listed.

Heralds of the Obelisk: Each corpse leaves an unkillable Obelisk that continues to cast a random spell until the whole pack is dead.

Mark of the Cannibal: Monsters can regain health from each other's corpses.

Keepers of the Trove: Each monster drops a rare item of the same type.

Necrotic Vigour: ?

Necrotic Zeal: ?

Necrovigil: When a monster dies, it leaves a green area on the floor. Other necrovigil monsters cannot die whilst stood in it.

Otherworldly: ?

Phylacteral Link: One of the monsters has a disc under it, and only that one can take damage. It bounces around so you have to keep changing your target.

Shared Boon: Monsters generate and share charges with each other.

Shrouded: Any information about the monster (affixes, type) is hidden.

Spirit Walkers: Each mob has an apparition (clone) of themselves doubling the size of the pack

Union of Souls: When killed, passes a buff to all remaining mobs that increases size and gives them more life. (Possibly increases attack and defensive stats)

Voidspawn of Abaxoth: Summons a unique Beyond Demon when the entire pack is killed.

Other Affixes

Far Shot: Projectile damage is increased based on how far the target is from the attacker. Used by Voidbearers as well as some unique monsters. See also Point Blank.