Here is the full list of all 304 Halls of Torment achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Purchase 40 items from the wellkeeper.
Deal 1 500 000 damage with Kugelblitz.
Kill 10 000 Beasts.
Deal 5 000 000 damage with Morning Star.
Deal 1 500 000 damage with Grenades.
Deal 10 000 damage with a single hit.
Reach level 80.
Deal 2 000 000 damage with Morning Star.
Deal 1 000 000 damage with Morning Star.
Deal 10 000 000 projectile damage in one run.
Deal 4 000 000 projectile damage in one run.
Reach level 40.
Deal 1 000 000 projectile damage in one run.
Defeat the Lord of Discord.
Kill 12 000 enemies in one visit of the Chambers of Dissonance.
Survive the Chambers of Dissonance until there are only 4 minutes left.
Defeat the Twisted Knight.
Kill 6 000 enemies in one visit of the Chambers of Dissonance.
Defeat the Village.
Survive the Chambers of Dissonance until there are only 12 minutes left.
Survive the Chambers of Dissonance until there are only 20 minutes left.
Defeat the Void Caller.
Deal 3 000 000 damage with Meteor Strike.
Deal 750 000 damage with Hailstorm.
[Sorceress] Increase your movement speed to 11m/s.
Kill 40 000 Imps.
Deal 3 000 000 damage with Phantom Needles.
[Frozen Depths] Kill 7 500 enemies in one visit of the Frozen Depths.
Deal 3 000 000 damage with Transfixion.
[Beast Huntress] Deal 1 000 000 frost damage in one run.
[Beast Huntress] Deal 5 000 000 ice damage in one run.
[Shield Maiden] Survive 28 minutes without any defense buffs.
[Shield Maiden] Crit enemies 2 000 enemies with your main attack in one run. Shield Bash doesn't count.
Deal 1 500 000 damage with Frost Avalanche.
[Shield Maiden] Wait for 180 seconds before you start moving. You must move in order to complete the quest.
Kill 50 000 Scorched.
[Warlock] Acquire the trait [Channeling V] in a run.
Kill a total of 10 lord.
[Warlock] Survive 28 minutes without using your main weapon.
Kill 15 000 enemies in one visit of the Ember Grounds.
Kill 50 000 Gargoyles
Apply electrify 100 000 times.
[Exterminator] Apply burn to 200 000 enemies.
Collect a total of 200 000 gold.
Survive 20 minutes without regenerating any health. Recovery from Potions or effects is allowed.
[Warlock] Do not get hit for 5 minutes.
[Shield Maiden] Deal 3 000 000 damage with the shield bash.
Apply debuffs 500 000 times.
[Beast Huntress] Have your Dog deal 1 000 000 damage.
Deal 1 500 000 damage with the Golem.
Deal 750 000 damage with Spirit Warrior.
Kill 10 000 Ghouls.
[Warlock] Take a total of 15 000 damage over all runs.
Crit enemies 500 000 times.
Kill a total of 100 bosses.
Kill 50 000 enemies with effects.
[Exterminator] Reach Agony III on the Ember Grounds.
Deal 1 000 000 damage with Flame Strike.
Deal 3 000 000 damage with Ring Blades.
Deal 3 000 000 damage with Lightning Strike.
Deal 750 000 damage with Frost Avalanche.
Deal 1 500 000 damage with Ring Blades.
[Archer] Reach Agony III on the Haunted Caverns.
[Shield Maiden] Deal 1 500 000 damage with the shield bash.
[Sorceress] Apply 20 stacks of electrify on a single enemy.
Deal 1 500 000 damage with Meteor Strike.
[Cleric] Apply 50 000 debuffs in total.
Deal 3 000 000 damage with Arcane Rift.
[Cleric] Deal 5 000 000 magic damage in one run.
[Archer] Wait for 180 seconds before you start moving. You must move in order to complete the quest.
Kill a total of 150 elite enemies.
Deal 1 500 000 damage with Arcane Rift.
Deal 750 000 damage with Arcane Rift.
Deal 3 000 000 damage with Radiant Aura.
Kill 400 000 enemies in total.
[Beast Huntress] Deal 2 000 000 ice damage in one run.
Deal 1 500 000 damage with Lightning Strike.
[Beast Huntress] Reach level 60.
[Beast Huntress] Deal 500 000 ice damage in one run.
[Beast Huntress] Reach level 30.
Level Up 2 000 times.
[Norseman] Reach level 60.
[Norseman] Deal 2 000 000 phyiscal damage in one run.
Kill 50 000 Wraiths
[Norseman] Deal 500 000 physical damage in one run.
[Norseman] Reach level 30.
[Norseman] Hit 30 Enemies with a single Frost Nova.
Purchase 10 items from the wellkeeper.
[Frozen Depths] Defeat the Lord of Hate.
Deal 500 000 damage with Flame Strike.
[Frozen Depths] Survive the Frozen Depths until there are only 2 minutes left.
[Frozen Depths] Defeat the Elder Giant.
[Archer] Crit enemies 20 000 times within one run.
[Frozen Depths] Defeat the Twisted Construct.
[Frozen Depths] Survive the Frozen Depths until there are only 10 minutes left.
[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.
Recover 100 000 HP in total
Defeat the Lord of Despair.
Survive the Forgotten Viaduct until there are only 2 minutes left.
[Archer] Walk 100 000 meters.
Defeat the Hydra.
Deal 750 000 damage with Meteor Strike.
[Sorceress] Deal 5 000 000 lightning damage in one run.
[Sorceress] Deal 500 000 electrify damage in one run.
[Sorceress] Reach level 60.
[Sorceress] Apply burn to 1 000 enemies in a single run.
[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] Reach level 30.
[Sorceress] Deal 500 000 lightning damage in one run.
Deal 750 000 damage with the Golem.
Kill 10 000 enemies in one visit of the Forgotten Viaduct.
Deal 750 000 damage with Kugelblitz.
Purchase an item from the Wellkeeper.
Play for 666 minutes.
Deal 1 500 000 damage with Transfixion.
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] Reach level 30.
[Warlock] Deal 500 000 summon damage in one run.
[Shield Maiden] Defeat a Lord.
Defeat the Lord of Regret.
[Shield Maiden] Get hit 500 times in a single run.
Defeat the Wyrm Queen.
Deal 1 500 000 damage with Radiant Aura.
Deal 1 500 000 damage with Arcane Splinter.
[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.
Apply debuffs 50 000 times.
Kill 5 000 enemies in one visit of the Forgotten Viaduct.
[Swordsman] Regenerate 2 000 HP in one run
Survive the Forgotten Viaduct until there are only 10 minutes left.
Defeat the Frost Knight.
[Swordsman] Get hit a total of 500 times over all attempts.
Survive the Forgotten Viaduct until there are only 18 minutes left.
Defeat the Wraith Horseman.
Kill 1 000 enemies in one visit of the Forgotten Viaduct.
Deal 750 000 damage with Lightning Strike.
Deal 100 000 000 damage in total.
Kill 40 000 Hellhounds.
Defeat the Lord of Pain.
Kill a total of 1 lord.
[Archer] Kill 20 000 enemies in one run.
Deal 750 000 damage with Radiant Aura.
[Exterminator] Reach level 60.
Survive 28 minutes with your original max health. (Don't use items, blessings or traits)
Survive the Ember Grounds until there are only 2 minutes left.
[Cleric] Deal 500 000 burn damage in one run.
Kill 40 000 Slimes.
[Cleric] Reach level 60.
[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] Deal 1 500 000 magic damage in one run.
[Cleric] Reach level 30.
[Cleric] Deal 500 000 magic damage in one run.
Consume a total of 100 potions.
[Swordsman] Deal 3 000 000 damage in one run.
Deal 1 500 000 damage with Astronomer's Orbs.
[Swordsman] Reach level 60.
[Swordsman] Kill a total of 10 bosses.
Deal 750 000 damage with Astronomer's Orbs.
Enter Forgotten Viaduct and rescue the Cupbearer.
Retrieve 1 item from the Halls of Torment.
Kill a total of 50 elite enemies.
Kill 40 000 Skeletons.
[Archer] Reach level 60.
Deal 1 500 000 damage with Phantom Needles.
Play for 333 minutes.
Enter the Halls of Torment 20 times and survive at least 5 minutes.
Deal 750 000 damage with Arcane Splinter.
Kill 100 000 enemies in total.
Deal 1 000 000 damage with Dragon's Breath.
[Exterminator] Deal 3 000 000 fire damage in one run.
[Exterminator] Kill 50 000 enemies.
Get Lightning Strike to Level 3 to be able to select Ability Upgrades.
[Exterminator] Apply burn to 50 000 enemies.
Level Up 500 times.
Apply damage effects 500 000 times.
Apply damage effects 50 000 times.
Kill 5 000 enemies in one visit of the Ember Grounds.
Deal 750 000 damage with Phantom Needles.
[Exterminator] Destroy 200 Objects.
Survive until there are only 10 minutes left.
Deal 750 000 damage with Transfixion.
Deal 750 000 damage with Ring Blades.
Deal 500 000 damage with Dragon's Breath.
Kill 15 000 enemies in one run.
Crit enemies 50 000 times.
Defeat the Lich.
[Exterminator] Walk 8 000 meters in one run.
[Exterminator] Deal 1 000 000 fire damage in one run.
Collect a total of 20 000 gold.
[Exterminator] Apply burn to 10 000 enemies.
Survive the Ember Grounds until there are only 12 minutes left.
Get Arcane Splinter to Level 3 to be able to select Ability Upgrades.
[Exterminator] Reach level 30.
[Exterminator] Deal 300 000 fire damage in one run.
[Exterminator] Deal 200 000 burn damage in one run.
[Exterminator] Apply 50 or more burn effects at the same time.
Defeat the Flamedancer.
Kill 1 000 enemies in one visit of the Ember Grounds.
[Archer] Enter the Halls of Torment 5 times.
[Archer] Acquire the trait [Quick Hands IV] in a run.
[Archer] Crit enemies 5 000 times within one run.
[Archer] Reach level 30.
Kill a total of 10 bosses.
Deal 10 000 000 damage in total.
[Archer] Do not get hit for 3 minutes.
[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)
Kill 5 000 enemies in one run.
[Swordsman] Acquire the trait [Strength IV] in a run.
Survive until there are only 14 minutes left.
Defeat the Skeleton Lord.
[Swordsman] Reach level 30.
[Swordsman] Walk 5 000 meters in one run.
Get Astronomer's Orbs to Level 3 to be able to select Ability Upgrades.
Consume a total of 10 potions.
[Swordsman] Deal 200 000 damage with the main weapon.
Get Phantom Needles to Level 3 to be able to select Ability Upgrades.
[Archer] Increase your movement speed to 8m/s.
Rescue the Wellkeeper.
Enter the Halls of Torment 5 times and survive at least 5 minutes.
Survive the Ember Grounds until there are only 22 minutes left.
Collect a total of 300 gold.
Defeat the Imp Chieftain.
[Swordsman] Hit 20 Enemies with a single attack.
Survive until there are only 26 minutes left.
Enter the Halls of Torment.
[Archer] Crit enemies 50 000 times within one run.
Deal 2 000 000 damage with Dragon's Breath.
Deal 3 000 000 damage with Arcane Splinter.
Deal 3 000 000 damage with Astronomer's Orbs.
[Cleric] Acquire the trait [Metabolism V] in a run.
[Shield Maiden] Acquire the trait [Parry V] in a run.
Deal 3 000 000 damage with Kugelblitz.
[Sorceress] Block 90 attacks in one run.
[Warlock] Survive 5 minutes with a maxmimum health of 250 or less.
Deal 3 000 000 damage with the Golem.
[Cleric] Reach Agony III on the Haunted Caverns.
[Shield Maiden] Reach Agony III on the Forgotten Viaduct.
[Sorceress] Reach Agony III on the Forgotten Viaduct.
[Swordsman] Reach Agony III on the Haunted Caverns.
[Warlock] Reach Agony III on the Ember Grounds.
Deal 2 000 000 damage with Flame Strike.
Deal 3 000 000 damage with Frost Avalanche.
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.
Deal 1 500 000 damage with Spirit Warrior.
Deal 3 000 000 damage with Spirit Warrior.
[Beast Huntress] Reach Agony III on the Frozen Depths.
Deal 1 500 000 damage with Hailstorm.
Deal 3 000 000 damage with Hailstorm.
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.
Kill 17 000 enemies in one visit of the Chambers of Dissonance.
Survive the Chambers of Dissonance in Agony mode until the lord appears.
Deal 3 500 000 damage with Grenades.
Deal 2 000 000 damage with items.
Deal 5 000 000 damage with items.
Reach Agony III in Chambers of Dissonance
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.