Here is the full list of all 308 Halls of Torment achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Apply 100 000 slow stacks in a single run.
Hit Enemies 40 000 times with Astronomer's Orbs.
Apply 150 000 effect stacks with Transfixion.
Deal 10 000 double crits or better with the Phantom Needles.
Purchase 40 items from the wellkeeper.
Kill 10 000 creatures made of ice.
Deal 3 000 000 damage with Hailstorm.
Deal 1 500 000 damage with Hailstorm.
Deal 750 000 damage with Hailstorm.
Kill 10 000 Beasts.
Kill 50 000 Gargoyles
Kill 40 000 Imps.
Apply debuffs 500 000 times.
[Warlock] Take a total of 15 000 damage over all runs.
Kill 50 000 Scorched.
Kill a total of 100 bosses.
[Warlock] Survive 28 minutes without using your main weapon.
Survive 20 minutes without regenerating any health. Recovery from Potions or effects is allowed.
Collect a total of 200 000 gold.
[Exterminator] Apply burn to 200 000 enemies.
[Exterminator] Kill 50 000 enemies.
[Archer] Wait for 180 seconds before you start moving. You must move in order to complete the quest.
[Swordsman] Get hit a total of 500 times over all attempts.
Kill a total of 150 elite enemies.
[Swordsman] Kill a total of 10 bosses.
[Norseman] Hit Enemies 20 000 times with the axes. Must be done within one run.
[Norseman] Kill 5 000 enemies with the Frost effect in a single run.
[Norseman] Reach Agony III on the Frozen Depths.
Deal 3 000 000 damage with Spirit Warrior.
Deal 3 000 000 damage with Frost Avalanche.
Deal 1 500 000 damage with Spirit Warrior.
Level Up 2 000 times.
Kill 10 000 Ghouls.
[Beast Huntress] Reach Agony III on the Frozen Depths.
[Beast Huntress] Deal 1 000 000 frost damage in one run.
[Sorceress] Increase your movement speed to 11m/s.
[Sorceress] Reach Agony III on the Forgotten Viaduct.
Kill 50 000 Wraiths
Apply electrify 100 000 times.
Kill 400 000 enemies in total.
Play for 666 minutes.
[Sorceress] Block 90 attacks in one run.
Kill 50 000 enemies with effects.
[Sorceress] Apply burn to 1 000 enemies in a single run.
Kill a total of 10 lord.
[Shield Maiden] Reach Agony III on the Forgotten Viaduct.
Deal 3 000 000 damage with Kugelblitz.
[Shield Maiden] Defeat a Lord.
[Shield Maiden] Deal 3 000 000 damage with the shield bash.
[Shield Maiden] Survive 28 minutes without any defense buffs.
Deal 1 500 000 damage with Kugelblitz.
[Shield Maiden] Crit enemies 2 000 enemies with your main attack in one run. Shield Bash doesn't count.
[Shield Maiden] Deal 1 500 000 damage with the shield bash.
Deal 750 000 damage with Kugelblitz.
[Shield Maiden] Get hit 500 times in a single run.
[Shield Maiden] Wait for 180 seconds before you start moving. You must move in order to complete the quest.
[Warlock] Reach Agony III on the Ember Grounds.
[Warlock] Survive 5 minutes with a maxmimum health of 250 or less.
[Warlock] Do not get hit for 5 minutes.
[Cleric] Apply 50 000 debuffs in total.
Survive 28 minutes with your original max health. (Don't use items, blessings or traits)
Deal 3 000 000 damage with Meteor Strike.
[Cleric] Reach Agony III on the Haunted Caverns.
[Cleric] Acquire the trait [Metabolism V] in a run.
[Cleric] Deal 500 000 burn damage in one run.
Deal 2 000 000 damage with Dragon's Breath.
Kill 15 000 enemies in one visit of the Ember Grounds.
Apply damage effects 500 000 times.
Deal 2 000 000 damage with Flame Strike.
[Exterminator] Reach Agony III on the Ember Grounds.
[Exterminator] Apply burn to 50 000 enemies.
Deal 3 000 000 damage with the Golem.
Crit enemies 500 000 times.
[Archer] Crit enemies 50 000 times within one run.
[Archer] Kill 20 000 enemies in one run.
[Archer] Walk 100 000 meters.
[Archer] Reach Agony III on the Haunted Caverns.
Enter the Halls of Torment 20 times and survive at least 5 minutes.
Kill 40 000 Slimes.
Deal 3 000 000 damage with Arcane Rift.
Deal 3 000 000 damage with Ring Blades.
Deal 3 000 000 damage with Astronomer's Orbs.
Kill 40 000 Hellhounds.
Deal 1 500 000 damage with Arcane Rift.
[Swordsman] Reach Agony III on the Haunted Caverns.
Deal 750 000 damage with Arcane Rift.
Recover 100 000 HP in total
Deal 3 000 000 damage with Arcane Splinter.
Deal 750 000 damage with Spirit Warrior.
[Beast Huntress] Deal 5 000 000 ice damage in one run.
[Beast Huntress] Reach level 60.
[Beast Huntress] Have your Dog deal 1 000 000 damage.
[Beast Huntress] Deal 2 000 000 ice damage in one run.
[Beast Huntress] Reach level 30.
[Beast Huntress] Deal 500 000 ice damage in one run.
Apply debuffs 50 000 times.
Consume a total of 100 potions.
Deal 1 500 000 damage with Arcane Splinter.
Deal 3 000 000 damage with Phantom Needles.
[Norseman] Deal 5 000 000 physical damage in one run.
[Norseman] Reach level 60.
Deal 750 000 damage with Arcane Splinter.
[Norseman] Deal 2 000 000 phyiscal damage in one run.
[Norseman] Reach level 30.
[Norseman] Hit 30 Enemies with a single Frost Nova.
[Norseman] Deal 500 000 physical damage in one run.
[Frozen Depths] Defeat the Lord of Hate.
Deal 1 500 000 damage with the Golem.
Deal 3 000 000 damage with Transfixion.
[Frozen Depths] Survive the Frozen Depths until there are only 2 minutes left.
[Frozen Depths] Kill 7 500 enemies in one visit of the Frozen Depths.
[Frozen Depths] Defeat the Elder Giant.
Deal 1 500 000 damage with Transfixion.
Deal 750 000 damage with the Golem.
[Frozen Depths] Survive the Frozen Depths until there are only 10 minutes left.
[Frozen Depths] Defeat the Twisted Construct.
[Frozen Depths] Kill 3 000 enemies in one visit of the Frozen Depths.
[Frozen Depths] Survive the Frozen Depths until there are only 18 minutes left.
[Frozen Depths] Defeat the Basilisk.
[Frozen Depths] Kill 500 enemies in one visit of the Frozen Depths.
Play for 333 minutes.
Deal 1 000 000 damage with Dragon's Breath.
Deal 1 500 000 damage with Meteor Strike.
[Exterminator] Reach level 60.
Deal 500 000 damage with Dragon's Breath.
Deal 750 000 damage with Meteor Strike.
[Exterminator] Destroy 200 Objects.
[Warlock] Kill 5 000 Hellhounds in one exploration.
Kill 25 000 enemies in one run.
[Warlock] Reach level 60.
[Warlock] Deal 5 000 000 summon damage in one run.
[Warlock] Acquire the trait [Channeling V] in a run.
[Warlock] Deal 2 000 000 summon damage in one run.
Kill 40 000 Skeletons.
[Warlock] Reach level 30.
[Warlock] Deal 500 000 summon damage in one run.
Defeat the Lord of Despair.
[Sorceress] Apply 20 stacks of electrify on a single enemy.
Deal 100 000 000 damage in total.
Kill a total of 50 elite enemies.
[Sorceress] Deal 500 000 electrify damage in one run.
Deal 3 000 000 damage with Lightning Strike.
[Sorceress] Reach level 60.
Deal 1 500 000 damage with Lightning Strike.
[Sorceress] Deal 5 000 000 lightning damage in one run.
[Sorceress] Reach level 30.
[Sorceress] Deal 2 000 000 lightning damage in one run.
[Sorceress] Hit 1 000 Enemies for 500 or more damage in one run. (Main Attack)
[Sorceress] Deal 500 000 lightning damage in one run.
Deal 3 000 000 damage with Radiant Aura.
Survive the Forgotten Viaduct until there are only 2 minutes left.
Kill 10 000 enemies in one visit of the Forgotten Viaduct.
Deal 1 500 000 damage with Ring Blades.
Deal 750 000 damage with Ring Blades.
[Shield Maiden] Acquire the trait [Parry V] in a run.
[Shield Maiden] Reach level 60.
[Shield Maiden] Deal 300 000 damage with the shield bash.
Reach level 30.
[Shield Maiden] Hit 15 Enemies with a single attack. Can't be done with the shield bash.
Purchase 10 items from the wellkeeper.
Defeat the Hydra.
[Archer] Crit enemies 20 000 times within one run.
Survive the Forgotten Viaduct until there are only 10 minutes left.
Kill 5 000 enemies in one visit of the Forgotten Viaduct.
Level Up 500 times.
Kill 100 000 enemies in total.
Enter Forgotten Viaduct and rescue the Cupbearer.
Defeat the Frost Knight.
Survive the Forgotten Viaduct until there are only 18 minutes left.
Kill 1 000 enemies in one visit of the Forgotten Viaduct.
Defeat the Wraith Horseman.
Collect a total of 20 000 gold.
Defeat the Lord of Regret.
Deal 1 000 000 damage with Flame Strike.
Deal 1 500 000 damage with Radiant Aura.
Survive the Ember Grounds until there are only 2 minutes left.
Defeat the Wyrm Queen.
[Swordsman] Deal 3 000 000 damage in one run.
[Swordsman] Reach level 60.
Deal 750 000 damage with Radiant Aura.
Deal 500 000 damage with Flame Strike.
[Swordsman] Regenerate 2 000 HP in one run
[Swordsman] Acquire the trait [Strength IV] in a run.
Deal 750 000 damage with Lightning Strike.
[Swordsman] Deal 1 000 000 damage with the main weapon.
[Swordsman] Hit 1 000 Enemies for 300 or more damage in one run. (Main Weapon)
[Swordsman] Walk 5 000 meters in one run.
[Swordsman] Reach level 30.
[Swordsman] Deal 200 000 damage with the main weapon.
[Archer] Enter the Halls of Torment 5 times.
[Archer] Reach level 60.
Deal 1 500 000 damage with Phantom Needles.
Survive the Ember Grounds until there are only 12 minutes left.
Deal 750 000 damage with Phantom Needles.
Kill 5 000 enemies in one visit of the Ember Grounds.
Apply damage effects 50 000 times.
Crit enemies 50 000 times.
Defeat the Lord of Pain.
Kill a total of 1 lord.
[Cleric] Reach level 60.
Deal 1 500 000 damage with Astronomer's Orbs.
Deal 750 000 damage with Transfixion.
Deal 750 000 damage with Astronomer's Orbs.
[Cleric] Apply 10 stacks of Fragile on a single enemy at once.
[Cleric] Deal 5 000 000 magic damage in one run.
[Cleric] Regenerate 1 500 HP in one run. Only passive regeneration is counted.
[Cleric] Reach level 30.
[Cleric] Deal 1 500 000 magic damage in one run.
[Cleric] Deal 500 000 magic damage in one run.
Purchase an item from the Wellkeeper.
Deal 1 500 000 damage with Frost Avalanche.
Survive until there are only 10 minutes left.
[Exterminator] Deal 3 000 000 fire damage in one run.
Kill 15 000 enemies in one run.
[Exterminator] Apply burn to 10 000 enemies.
Deal 750 000 damage with Frost Avalanche.
Defeat the Lich.
[Exterminator] Deal 200 000 burn damage in one run.
[Exterminator] Walk 8 000 meters in one run.
[Exterminator] Deal 1 000 000 fire damage in one run.
Kill a total of 10 bosses.
[Exterminator] Reach level 30.
Retrieve 1 item from the Halls of Torment.
[Exterminator] Deal 300 000 fire damage in one run.
[Exterminator] Apply 50 or more burn effects at the same time.
Enter the Halls of Torment 5 times and survive at least 5 minutes.
Deal 10 000 000 damage in total.
Survive the Ember Grounds until there are only 22 minutes left.
Defeat the Flamedancer.
Kill 1 000 enemies in one visit of the Ember Grounds.
Rescue the Wellkeeper.
Get Phantom Needles to Level 3 to be able to select Ability Upgrades.
Consume a total of 10 potions.
[Archer] Increase your movement speed to 8m/s.
Get Lightning Strike to Level 3 to be able to select Ability Upgrades.
Survive until there are only 14 minutes left.
Kill 5 000 enemies in one run.
[Archer] Crit enemies 5 000 times within one run.
Defeat the Skeleton Lord.
Get Astronomer's Orbs to Level 3 to be able to select Ability Upgrades.
[Archer] Acquire the trait [Quick Hands IV] in a run.
[Archer] Reach level 30.
Get Arcane Splinter to Level 3 to be able to select Ability Upgrades.
[Archer] Do not get hit for 3 minutes.
Collect a total of 300 gold.
[Swordsman] Hit 20 Enemies with a single attack.
Defeat the Imp Chieftain.
Survive until there are only 26 minutes left.
Enter the Halls of Torment.
[Warlock] Have 20 Summons at the same active. *attack projectiles do not count
[Norseman] Collect 10 Power Ups in one run.
Have 300 Arcane Splinter active at the same time.
One hit kill 1 000 enemies that have 1 000 or more Health with a direct hit from Lightning Strike within one run.
Deal a 25 000 Damage or better hit on a single enemy with Radiant Aura without Fragile effect.
Trigger 10 000 times direct Burn damage with Dragon's Breath. This is done by applying burn on enemies with 20 burn stacks.
Deal 160 Crits with a single Meteor. Overcrits are getting counted.
Have all Ring Blades projectiles travel a distance of 804 672 meters within a single run.
Haave the Golem roll for a total duration of 20 minutes in a run.
Defeat the Void Caller.
Defeat the Village.
Defeat the Twisted Knight.
Kill 6 000 enemies in one visit of the Chambers of Dissonance.
Kill 12 000 enemies in one visit of the Chambers of Dissonance.
Kill 17 000 enemies in one visit of the Chambers of Dissonance.
Defeat the Lord of Discord.
Survive the Chambers of Dissonance until there are only 20 minutes left.
Survive the Chambers of Dissonance until there are only 12 minutes left.
Survive the Chambers of Dissonance until there are only 4 minutes left.
Survive the Chambers of Dissonance in Agony mode until the lord appears.
Deal 10 000 damage with a single hit.
Deal 1 500 000 damage with Grenades.
Deal 3 500 000 damage with Grenades.
Deal 2 000 000 damage with items.
Deal 5 000 000 damage with items.
Reach level 40.
Reach level 80.
Reach Agony III in Chambers of Dissonance
Deal 1 000 000 damage with Morning Star.
Deal 2 000 000 damage with Morning Star.
Deal 5 000 000 damage with Morning Star.
Deal 1 000 000 projectile damage in one run.
Deal 4 000 000 projectile damage in one run.
Deal 10 000 000 projectile damage in one run.
Deal 5 000 000 direct damage with abilities.
Deal 15 000 000 direct damage with abilities.
Deal 50 000 000 direct damage with abilities.
Reach level 50.
Reach level 100.
Reach Agony IV in Chambers of Dissonance
Deal 10 000 000 damage with your main ability.
Deal 100 000 000 damage with your main ability.
Deal 2 000 000 damage with Spectral Fists.
Deal 5 000 000 damage with Spectral Fists.
Deal 10 000 000 damage with Spectral Fists.
Hit 500 enemies for 25 000 damage or more. Overkill damage counts.
Apply Frost 80 000 times with Hailstorm
Hit 40 enemies with a Morning Star for 100 times.
Deal 20 000 000 the dash or dash explosion of Spirit Warriors in one run.
Have Frost Avalanche fire/place projectiles or obstacles 10 000 times per minute.
Reach an average of 10 critical hits per second with the main attack of the Sorceress.
Deal 100 000 damage with a single hit.
Kill 5 000 enemies at full life with a single hit of Arcane Rift.
Deal 1 000 times damage by applying the 20th+ electrify stack through Kugelblitz.
Kill 10 000 Carpas.
Kill 10 000 Constructs.
Kill 10 000 Homunculi.
[Norseman] Deal 10 000 000 frost damage in one run.