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