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