PoE 3.14 Ultimatum trial event will have random mods for players to choose. Some mods are very deadly. Here is the PoE 3.14 Ultimatum Encounter mods guide to help you deal with these mods correctly.

 

Color: If you have an endgame build and are careful enough, these mods are safe in most cases

Color: If you choose these mods, please read the description and deal with it carefully

Color: These mods are very fatal for certain builds. Like "Less Cooldown recovery" for CoC builds, "Lightning Damage from Mana Costs" for mana builds. If your build happens to be affected by this, please avoid these mods as much as possible.

Color: These mods are extremely deadly to most builds, please avoid them as much as possible

 

Choking Miasma

A cloud that deals Chaos Damage over Time will follow you

Choking Miasma II

A large cloud that deals Chaos Damage over Time will follow you

Choking Miasma III

A large and fast cloud that deals Chaos Damage over Time will follow you

Stormcaller Runes

Runes will appear that will call deadly Lightning storms if you remain in them

Stormcaller Runes II

Large runes will appear that will call deadly Lightning storms if you remain in them

Stormcaller Runes III

Many large runes will appear that will call deadly Lightning storms if you remain in them

Flamethrower Raging Dead

Skulls will appear that spit Fire if you remain near them

Flamethrower Raging Dead II

Many skulls will appear that spit Fire if you remain near them

Flamethrower Raging Dead III

Many skulls will appear that pursue you and spit Fire when near you

Blistering Cold

Frozen pustules will periodically appear and explode when you approach

Blistering Cold II

Many frozen pustules will periodically appear and rapidly explode when you approach

Blistering Cold III

Many frozen pustules will periodically appear, chill you, and rapidly explode when you approach

Restless Ground

Patches of Unhallowed Ground will appear that Hinder players and cause slain Monsters to resurrect as Phantasm

Restless Ground II

Many patches of Unhallowed Ground will appear that Hinder players and cause slain Monsters to resurrect as Phantasms

Restless Ground III

Many patches of Unhallowed Ground will appear that Hinder players and cause slain Monsters to resurrect as Ruin-inflicting Phantasms Fail on reaching 7 Ruin

If you don't know why you failed your encounter sometime just careful it's mod.

Stalking Ruin

An invulnerable shade stalks you, inflicting Ruin with its Melee Attacks Fail on reaching 7 Ruin

Stalking Ruin II

An invulnerable shade stalks you, gaining speed and inflicting Ruin with Melee Attacks and Spells Fail on reaching 7 Ruin

Stalking Ruin III

An invulnerable shade stalks you, gaining further speed and inflicting Ruin with Melee Attacks and powerful Spells Fail on reaching 7 Ruin

If you don't know why you failed your encounter sometime just careful it's mod.

Razor Dance

Blades will periodically appear and fly at you, applying Corrupted Blood on Hit

Razor Dance II

Many blades will periodically appear and fly at you, applying Corrupted Blood on Hit

Razor Dance III

Swarms of blades will periodically appear and fly at you, applying Corrupted Blood on Hit

Totem of Costly Might

An invulnerable Totem will appear that imbues both its allies and its enemies with Speed and powerful Physical Damage benefits, but causes enemies to take 10% of their maximum Life and Energy Shield as Physical Damage per second

Totem of Costly Potency

An invulnerable Totem will appear that imbues both its allies and its enemies with Speed and powerful Elemental Damage benefits, but causes enemies to take 15% of their maximum Life and Energy Shield as Fire Damage per second

The Trialmaster

Limited Arena

The encounter area will be much smaller

Ruin

A Monster type will apply Ruin with its special ability Fail on reaching 7 Ruin

Ruin II

A Monster type will apply double Ruin with its special ability Fail on reaching 7 Ruin

Ruin III

Two Monster types will apply double Ruin with their special abilities Fail on reaching 7 Ruin

Reduced Recovery

30% Reduced Life, Mana, and Energy Shield Recovery Rate

Reduced Recovery II

60% Reduced Life, Mana, and Energy Shield Recovery Rate

Lessened Reach

Players have 50% less Area of Effect and Projectile Speed

Buffs Expire Faster

Buffs expire three times faster on players

Less Cooldown recovery

Cooldowns take five times longer to recharge

Escalating Damage Taken

For the remainder of the encounter, damage taken will slowly increase by 1% per second, up to 50%

Escalating Monster Speed

All Monsters gain 2.5% increased attack, cast, and movement speed per second they are alive, up to 50%

Bonus Chaos Damage

Monsters deal 30% of Physical Damage Added as Chaos Damage

Unlucky Criticals

Your Critical Strike Chance is Unlucky

Hindering Flasks

Using a Flask Hinders you by 50% for 4 seconds

Limited Flasks

Using a Flask removes any existing Flask effects

Ailment and Curse Reflection

Curses and Non-damaging Ailments you apply are Reflected

Lightning Damage from Mana Costs

Take 50% of Mana costs as Lightning Damage

Lightning Damage from Mana Costs

Take 200% of Mana costs as Lightning Damage

Lightning Damage from Mana Costs

Take 1000% of Mana costs as Lightning Damage

Random Projectiles

Your Projectiles fly in random directions Monsters fire additional Projectiles

Treacherous Auras

Your Auras that affect Allies also affect Enemies

Occasional Impotence

You and your Minions deal no damage for 2 seconds every 8 seconds

Siphoned Charges

Lose a Power, Frenzy, and Endurance Charge every second Monsters gain Power, Frenzy, and Endurance Charges on hit