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