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