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 Constructs.
Kill 10 000 Homunculi.
Kill 10 000 Carpas.
[Norseman] Deal 10 000 000 frost damage in one run.
Kill 10 000 creatures made of ice.
Kill 17 000 enemies in one visit of the Chambers of Dissonance.
Kill 10 000 Beasts.
Deal 5 000 000 damage with items.
Deal 2 000 000 damage with items.
Deal 100 000 000 damage with your main ability.
Hit 500 enemies for 25 000 damage or more. Overkill damage counts.
Purchase 40 items from the wellkeeper.
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.
Kill 50 000 Gargoyles
Deal 1 000 times damage by applying the 20th+ electrify stack through Kugelblitz.
Have 300 Arcane Splinter active at the same time.
Kill 5 000 enemies at full life with a single hit of Arcane Rift.
Deal 3 000 000 damage with Arcane Rift.
Deal 1 500 000 damage with Arcane Rift.
Kill 50 000 Wraiths
One hit kill 1 000 enemies that have 1 000 or more Health with a direct hit from Lightning Strike within one run.
Apply Frost 80 000 times with Hailstorm
Deal 10 000 000 damage with Spectral Fists.
Reach Agony IV in Chambers of Dissonance
Deal 5 000 000 damage with Spectral Fists.
Reach level 80.
Deal 3 500 000 damage with Grenades.
Reach Agony III in Chambers of Dissonance
Deal 10 000 damage with a single hit.
Deal 1 500 000 damage with Grenades.
Apply 100 000 slow stacks in a single run.
Apply 150 000 effect stacks with Transfixion.
Survive 20 minutes without regenerating any health. Recovery from Potions or effects is allowed.
Deal 160 Crits with a single Meteor. Overcrits are getting counted.
Deal 2 000 000 damage with Spectral Fists.
Reach level 100.
Deal 50 000 000 direct damage with abilities.
Deal 10 000 000 damage with your main ability.
Deal 15 000 000 direct damage with abilities.
Reach level 50.
Deal 5 000 000 direct damage with abilities.
Have all Ring Blades projectiles travel a distance of 804 672 meters within a single run.
Kill 12 000 enemies in one visit of the Chambers of Dissonance.
Haave the Golem roll for a total duration of 20 minutes in a run.
Kill 40 000 Imps.
[Warlock] Take a total of 15 000 damage over all runs.
[Norseman] Kill 5 000 enemies with the Frost effect in a single run.
Deal 3 000 000 damage with Hailstorm.
Deal 1 500 000 damage with Hailstorm.
Deal 750 000 damage with Hailstorm.
[Norseman] Collect 10 Power Ups in one run.
Deal 3 000 000 damage with Arcane Splinter.
[Beast Huntress] Reach Agony III on the Frozen Depths.
[Beast Huntress] Deal 1 000 000 frost damage in one run.
[Beast Huntress] Deal 5 000 000 ice damage in one run.
Have Frost Avalanche fire/place projectiles or obstacles 10 000 times per minute.
Apply debuffs 500 000 times.
[Norseman] Hit Enemies 20 000 times with the axes. Must be done within one run.
Deal 3 000 000 damage with Ring Blades.
Deal 1 500 000 damage with Ring Blades.
[Norseman] Reach Agony III on the Frozen Depths.
[Norseman] Deal 5 000 000 physical damage in one run.
Collect a total of 200 000 gold.
[Sorceress] Reach Agony III on the Forgotten Viaduct.
[Sorceress] Block 90 attacks in one run.
Apply electrify 100 000 times.
Hit Enemies 40 000 times with Astronomer's Orbs.
Deal 3 000 000 damage with the Golem.
[Warlock] Reach Agony III on the Ember Grounds.
Kill 50 000 Scorched.
[Warlock] Have 20 Summons at the same active. *attack projectiles do not count
Deal 100 000 damage with a single hit.
Survive the Chambers of Dissonance in Agony mode until the lord appears.
Deal 3 000 000 damage with Kugelblitz.
Deal 10 000 double crits or better with the Phantom Needles.
Deal 2 000 000 damage with Flame Strike.
Deal 1 500 000 damage with Arcane Splinter.
Deal 1 500 000 damage with Kugelblitz.
Kill 50 000 enemies with effects.
[Beast Huntress] Have your Dog deal 1 000 000 damage.
[Exterminator] Kill 50 000 enemies.
Deal 2 000 000 damage with Dragon's Breath.
Deal 1 000 000 damage with Flame Strike.
[Exterminator] Apply burn to 200 000 enemies.
Trigger 10 000 times direct Burn damage with Dragon's Breath. This is done by applying burn on enemies with 20 burn stacks.
[Exterminator] Reach Agony III on the Ember Grounds.
[Exterminator] Apply burn to 50 000 enemies.
Kill a total of 100 bosses.
[Archer] Crit enemies 50 000 times within one run.
Crit enemies 500 000 times.
[Archer] Walk 100 000 meters.
Purchase 10 items from the wellkeeper.
Kill a total of 150 elite enemies.
[Archer] Wait for 180 seconds before you start moving. You must move in order to complete the quest.
[Shield Maiden] Reach Agony III on the Forgotten Viaduct.
[Shield Maiden] Crit enemies 2 000 enemies with your main attack in one run. Shield Bash doesn't count.
Kill 10 000 Ghouls.
Level Up 2 000 times.
[Shield Maiden] Survive 28 minutes without any defense buffs.
[Shield Maiden] Deal 3 000 000 damage with the shield bash.
[Shield Maiden] Acquire the trait [Parry V] in a run.
[Shield Maiden] Deal 1 500 000 damage with the shield bash.
Deal 750 000 damage with Kugelblitz.
Deal 3 000 000 damage with Transfixion.
[Shield Maiden] Defeat a Lord.
[Shield Maiden] Reach level 60.
[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.
Kill 400 000 enemies in total.
Reach level 30.
[Shield Maiden] Get hit 500 times in a single run.
[Shield Maiden] Wait for 180 seconds before you start moving. You must move in order to complete the quest.
[Warlock] Kill 5 000 Hellhounds in one exploration.
Deal 1 500 000 damage with the Golem.
[Warlock] Survive 28 minutes without using your main weapon.
Deal 750 000 damage with the Golem.
[Warlock] Survive 5 minutes with a maxmimum health of 250 or less.
Play for 666 minutes.
[Warlock] Deal 5 000 000 summon damage in one run.
[Warlock] Do not get hit for 5 minutes.
[Warlock] Reach level 60.
[Warlock] Deal 2 000 000 summon damage in one run.
[Warlock] Acquire the trait [Channeling V] in a run.
[Warlock] Deal 500 000 summon damage in one run.
[Warlock] Reach level 30.
Defeat the Lord of Discord.
[Sorceress] Apply 20 stacks of electrify on a single enemy.
Deal 3 000 000 damage with Lightning Strike.
Survive the Chambers of Dissonance until there are only 4 minutes left.
Reach an average of 10 critical hits per second with the main attack of the Sorceress.
Kill 6 000 enemies in one visit of the Chambers of Dissonance.
[Frozen Depths] Defeat the Lord of Hate.
Deal a 25 000 Damage or better hit on a single enemy with Radiant Aura without Fragile effect.
[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.
[Swordsman] Kill a total of 10 bosses.
Kill a total of 10 lord.
Deal 3 000 000 damage with Frost Avalanche.
Deal 1 000 000 damage with Dragon's Breath.
Deal 5 000 000 damage with Morning Star.
Deal 1 500 000 damage with Frost Avalanche.
Deal 3 000 000 damage with Astronomer's Orbs.
Deal 2 000 000 damage with Morning Star.
Deal 3 000 000 damage with Radiant Aura.
Deal 750 000 damage with Ring Blades.
[Swordsman] Deal 3 000 000 damage in one run.
Deal 1 000 000 damage with Morning Star.
[Swordsman] Reach level 60.
[Swordsman] Get hit a total of 500 times over all attempts.
[Swordsman] Acquire the trait [Strength IV] in a run.
Recover 100 000 HP in total
[Swordsman] Regenerate 2 000 HP in one run
Deal 3 000 000 damage with Phantom Needles.
Deal 750 000 damage with Arcane Rift.
Deal 3 000 000 damage with Spirit Warrior.
Deal 1 500 000 damage with Transfixion.
Deal 1 500 000 damage with Spirit Warrior.
Deal 10 000 000 projectile damage in one run.
Apply damage effects 500 000 times.
Reach level 40.
Deal 4 000 000 projectile damage in one run.
Deal 750 000 damage with Spirit Warrior.
Deal 1 000 000 projectile damage in one run.
Deal 3 000 000 damage with Meteor Strike.
Deal 750 000 damage with Arcane Splinter.
Deal 1 500 000 damage with Meteor Strike.
[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.
Defeat the Twisted Knight.
Deal 750 000 damage with Meteor Strike.
[Norseman] Reach level 60.
[Norseman] Deal 2 000 000 phyiscal damage in one run.
Defeat the Void Caller.
Defeat the Village.
Survive the Chambers of Dissonance until there are only 12 minutes left.
[Norseman] Reach level 30.
[Norseman] Deal 500 000 physical damage in one run.
Survive the Chambers of Dissonance until there are only 20 minutes left.
[Norseman] Hit 30 Enemies with a single Frost Nova.
[Frozen Depths] Defeat the Elder Giant.
[Sorceress] Deal 5 000 000 lightning damage in one run.
[Frozen Depths] Survive the Frozen Depths until there are only 10 minutes left.
[Sorceress] Reach level 60.
[Frozen Depths] Defeat the Twisted Construct.
[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)
[Sorceress] Deal 2 000 000 lightning damage in one run.
[Sorceress] Apply burn to 1 000 enemies in a single run.
[Sorceress] Deal 500 000 electrify damage in one run.
[Frozen Depths] Survive the Frozen Depths until there are only 18 minutes left.
[Sorceress] Reach level 30.
[Frozen Depths] Defeat the Basilisk.
[Sorceress] Deal 500 000 lightning damage in one run.
[Frozen Depths] Kill 500 enemies in one visit of the Frozen Depths.
[Sorceress] Increase your movement speed to 11m/s.
Purchase an item from the Wellkeeper.
Enter the Halls of Torment 20 times and survive at least 5 minutes.
Defeat the Lord of Despair.
Deal 1 500 000 damage with Lightning Strike.
Kill 10 000 enemies in one visit of the Forgotten Viaduct.
Survive the Forgotten Viaduct until there are only 2 minutes left.
Defeat the Hydra.
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.
Kill 1 000 enemies in one visit of the Forgotten Viaduct.
Survive the Forgotten Viaduct until there are only 18 minutes left.
Defeat the Wraith Horseman.
Enter Forgotten Viaduct and rescue the Cupbearer.
Defeat the Lord of Regret.
Survive the Ember Grounds until there are only 2 minutes left.
Kill 15 000 enemies in one visit of the Ember Grounds.
Defeat the Wyrm Queen.
Survive the Ember Grounds until there are only 12 minutes left.
Kill 5 000 enemies in one visit of the Ember Grounds.
Deal 500 000 damage with Dragon's Breath.
Deal 1 500 000 damage with Radiant Aura.
Play for 333 minutes.
Kill 40 000 Slimes.
Deal 750 000 damage with Radiant Aura.
Deal 100 000 000 damage in total.
[Cleric] Acquire the trait [Metabolism V] in a run.
Kill 40 000 Hellhounds.
Kill a total of 50 elite enemies.
[Cleric] Reach Agony III on the Haunted Caverns.
Deal 500 000 damage with Flame Strike.
[Cleric] Deal 500 000 burn damage in one run.
[Cleric] Apply 50 000 debuffs in total.
Apply debuffs 50 000 times.
[Archer] Reach Agony III on the Haunted Caverns.
Get Arcane Splinter to Level 3 to be able to select Ability Upgrades.
[Archer] Enter the Halls of Torment 5 times.
[Archer] Reach level 60.
Consume a total of 100 potions.
Retrieve 1 item from the Halls of Torment.
Level Up 500 times.
Rescue the Wellkeeper.
[Exterminator] Destroy 200 Objects.
Deal 1 500 000 damage with Astronomer's Orbs.
[Exterminator] Reach level 60.
Kill 40 000 Skeletons.
[Exterminator] Deal 3 000 000 fire damage in one run.
Deal 750 000 damage with Lightning Strike.
[Exterminator] Walk 8 000 meters in one run.
Apply damage effects 50 000 times.
[Exterminator] Apply burn to 10 000 enemies.
Deal 750 000 damage with Astronomer's Orbs.
Kill 100 000 enemies in total.
[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.
Collect a total of 20 000 gold.
Deal 750 000 damage with Frost Avalanche.
[Swordsman] Reach level 30.
[Swordsman] Reach Agony III on the Haunted Caverns.
[Swordsman] Hit 1 000 Enemies for 300 or more damage in one run. (Main Weapon)
[Swordsman] Walk 5 000 meters in one run.
[Swordsman] Deal 1 000 000 damage with the main weapon.
[Swordsman] Hit 20 Enemies with a single attack.
Crit enemies 50 000 times.
Survive the Ember Grounds until there are only 22 minutes left.
Defeat the Flamedancer.
Kill 1 000 enemies in one visit of the Ember Grounds.
Kill 25 000 enemies in one run.
Survive 28 minutes with your original max health. (Don't use items, blessings or traits)
Deal 1 500 000 damage with Phantom Needles.
[Cleric] Reach level 60.
Deal 750 000 damage with Phantom Needles.
Enter the Halls of Torment 5 times and survive at least 5 minutes.
Defeat the Lord of Pain.
Kill a total of 1 lord.
Kill a total of 10 bosses.
[Cleric] Regenerate 1 500 HP in one run. Only passive regeneration is counted.
[Cleric] Deal 5 000 000 magic damage in one run.
[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.
[Cleric] Deal 500 000 magic damage in one run.
[Archer] Kill 20 000 enemies in one run.
[Archer] Crit enemies 20 000 times within one run.
Deal 750 000 damage with Transfixion.
Survive until there are only 10 minutes left.
Deal 10 000 000 damage in total.
Kill 15 000 enemies in one run.
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.
Survive until there are only 14 minutes left.
Get Astronomer's Orbs to Level 3 to be able to select Ability Upgrades.
Get Lightning Strike to Level 3 to be able to select Ability Upgrades.
[Archer] Reach level 30.
Defeat the Skeleton Lord.
Consume a total of 10 potions.
[Archer] Do not get hit for 3 minutes.
[Archer] Increase your movement speed to 8m/s.
Get Phantom Needles to Level 3 to be able to select Ability Upgrades.
Collect a total of 300 gold.
[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.