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.
[Archer] Walk 100 000 meters.
Kill 10 000 creatures made of ice.
One hit kill 1 000 enemies that have 1 000 or more Health with a direct hit from Lightning Strike within one run.
Have 300 Arcane Splinter active at the same time.
Have all Ring Blades projectiles travel a distance of 804 672 meters within a single run.
Deal 3 000 000 damage with Arcane Rift.
Deal 750 000 damage with Arcane Rift.
Deal 1 500 000 damage with Arcane Rift.
Apply 100 000 slow stacks in a single run.
[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 500 000 ice damage in 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.
Deal 10 000 double crits or better with the Phantom Needles.
Kill 10 000 Beasts.
[Norseman] Kill 5 000 enemies with the Frost effect in a single run.
Deal 3 000 000 damage with Spirit Warrior.
[Norseman] Collect 10 Power Ups in one run.
Deal 160 Crits with a single Meteor. Overcrits are getting counted.
[Warlock] Do not get hit for 5 minutes.
Deal 1 500 000 damage with Spirit Warrior.
[Beast Huntress] Deal 1 000 000 frost damage in one run.
Deal 750 000 damage with Spirit Warrior.
[Beast Huntress] Reach Agony III on the Frozen Depths.
[Beast Huntress] Reach level 60.
[Beast Huntress] Have your Dog deal 1 000 000 damage.
[Beast Huntress] Reach level 30.
[Norseman] Hit Enemies 20 000 times with the axes. Must be done within one run.
Deal 3 000 000 damage with Hailstorm.
[Norseman] Deal 5 000 000 physical damage in one run.
[Norseman] Deal 2 000 000 phyiscal damage in one run.
Deal 1 500 000 damage with Hailstorm.
[Norseman] Reach Agony III on the Frozen Depths.
[Norseman] Deal 500 000 physical damage in one run.
[Norseman] Reach level 60.
Deal 750 000 damage with Hailstorm.
Kill 10 000 Ghouls.
[Norseman] Hit 30 Enemies with a single Frost Nova.
[Norseman] Reach level 30.
[Frozen Depths] Defeat the Lord of Hate.
[Frozen Depths] Survive the Frozen Depths until there are only 2 minutes left.
[Frozen Depths] Defeat the Elder Giant.
[Frozen Depths] Survive the Frozen Depths until there are only 10 minutes left.
[Frozen Depths] Kill 7 500 enemies in one visit of the Frozen Depths.
[Frozen Depths] Defeat the Twisted Construct.
[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.
[Cleric] Deal 5 000 000 magic damage in one run.
[Cleric] Apply 50 000 debuffs in total.
[Cleric] Reach Agony III on the Haunted Caverns.
[Sorceress] Reach Agony III on the Forgotten Viaduct.
Apply debuffs 500 000 times.
Apply 150 000 effect stacks with Transfixion.
[Warlock] Reach Agony III on the Ember Grounds.
[Warlock] Have 20 Summons at the same active. *attack projectiles do not count
[Shield Maiden] Deal 3 000 000 damage with the shield bash.
[Shield Maiden] Reach Agony III on the Forgotten Viaduct.
Collect a total of 200 000 gold.
[Swordsman] Reach Agony III on the Haunted Caverns.
Haave the Golem roll for a total duration of 20 minutes in a run.
Kill 40 000 Imps.
[Shield Maiden] Crit enemies 2 000 enemies with your main attack in one run. Shield Bash doesn't count.
Deal a 25 000 Damage or better hit on a single enemy with Radiant Aura without Fragile effect.
Recover 100 000 HP in total
[Sorceress] Apply 20 stacks of electrify on a single enemy.
Deal 3 000 000 damage with Frost Avalanche.
Apply electrify 100 000 times.
Purchase 40 items from the wellkeeper.
Kill 50 000 Scorched.
[Frozen Depths] Kill 500 enemies in one visit of the Frozen Depths.
Deal 1 500 000 damage with Frost Avalanche.
[Swordsman] Regenerate 2 000 HP in one run
Deal 750 000 damage with Frost Avalanche.
Kill 50 000 enemies with effects.
[Archer] Crit enemies 50 000 times within one run.
[Archer] Reach Agony III on the Haunted Caverns.
Crit enemies 500 000 times.
Hit Enemies 40 000 times with Astronomer's Orbs.
Deal 2 000 000 damage with Flame Strike.
Deal 3 000 000 damage with Radiant Aura.
Kill a total of 100 bosses.
Deal 1 000 000 damage with Flame Strike.
Deal 500 000 damage with Flame Strike.
Kill a total of 150 elite enemies.
Kill 50 000 Gargoyles
[Exterminator] Reach Agony III on the Ember Grounds.
Deal 3 000 000 damage with Lightning Strike.
Kill 50 000 Wraiths
[Archer] Do not get hit for 3 minutes.
Level Up 2 000 times.
Deal 3 000 000 damage with Ring Blades.
Deal 3 000 000 damage with Kugelblitz.
[Sorceress] Deal 500 000 electrify damage in one run.
[Sorceress] Increase your movement speed to 11m/s.
[Sorceress] Apply burn to 1 000 enemies in a single run.
Deal 3 000 000 damage with Meteor Strike.
[Cleric] Apply 10 stacks of Fragile on a single enemy at once.
[Cleric] Deal 500 000 burn damage in one run.
Consume a total of 100 potions.
[Cleric] Acquire the trait [Metabolism V] in a run.
[Cleric] Reach level 60.
[Warlock] Kill 5 000 Hellhounds in one exploration.
[Warlock] Survive 28 minutes without using your main weapon.
Kill 400 000 enemies in total.
Play for 666 minutes.
Deal 1 500 000 damage with Meteor Strike.
Deal 750 000 damage with Meteor Strike.
[Archer] Enter the Halls of Torment 5 times.
Kill a total of 10 lord.
[Archer] Kill 20 000 enemies in one run.
[Sorceress] Deal 5 000 000 lightning damage in one run.
[Sorceress] Reach level 60.
[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] Reach level 30.
[Sorceress] Deal 500 000 lightning damage in one run.
[Sorceress] Block 90 attacks in one run.
[Shield Maiden] Defeat a Lord.
[Shield Maiden] Deal 1 500 000 damage with the shield bash.
Deal 3 000 000 damage with Transfixion.
[Shield Maiden] Survive 28 minutes without any defense buffs.
Deal 1 500 000 damage with Kugelblitz.
Deal 1 500 000 damage with Transfixion.
[Shield Maiden] Acquire the trait [Parry V] in a run.
[Shield Maiden] Wait for 180 seconds before you start moving. You must move in order to complete the quest.
[Shield Maiden] Get hit 500 times in a single run.
Deal 3 000 000 damage with the Golem.
Deal 1 500 000 damage with Lightning Strike.
Deal 750 000 damage with Kugelblitz.
Deal 3 000 000 damage with Arcane Splinter.
[Exterminator] Apply burn to 200 000 enemies.
Deal 2 000 000 damage with Dragon's Breath.
Kill 40 000 Hellhounds.
[Exterminator] Walk 8 000 meters in one run.
Deal 100 000 000 damage in total.
Apply debuffs 50 000 times.
[Shield Maiden] Reach level 60.
Deal 1 500 000 damage with the Golem.
Kill 40 000 Slimes.
[Shield Maiden] Deal 300 000 damage with the shield bash.
Deal 750 000 damage with the Golem.
[Shield Maiden] Hit 15 Enemies with a single attack. Can't be done with the shield bash.
Reach level 30.
Enter the Halls of Torment 20 times and survive at least 5 minutes.
Defeat the Lord of Despair.
Enter Forgotten Viaduct and rescue the Cupbearer.
Survive the Forgotten Viaduct until there are only 2 minutes left.
Deal 1 500 000 damage with Arcane Splinter.
Deal 750 000 damage with Lightning Strike.
Kill 10 000 enemies in one visit of the Forgotten Viaduct.
Defeat the Hydra.
Survive the Forgotten Viaduct until there are only 10 minutes left.
Deal 750 000 damage with Arcane Splinter.
[Warlock] Deal 5 000 000 summon damage in one run.
Kill 5 000 enemies in one visit of the Forgotten Viaduct.
[Warlock] Reach level 60.
Defeat the Frost Knight.
[Warlock] Deal 2 000 000 summon damage in one run.
[Warlock] Acquire the trait [Channeling V] in a run.
Survive the Forgotten Viaduct until there are only 18 minutes left.
[Warlock] Survive 5 minutes with a maxmimum health of 250 or less.
Defeat the Wraith Horseman.
[Warlock] Reach level 30.
Kill 1 000 enemies in one visit of the Forgotten Viaduct.
[Warlock] Deal 500 000 summon damage in one run.
[Warlock] Take a total of 15 000 damage over all runs.
Defeat the Lord of Regret.
Defeat the Wyrm Queen.
Survive the Ember Grounds until there are only 2 minutes left.
Deal 3 000 000 damage with Phantom Needles.
Deal 3 000 000 damage with Astronomer's Orbs.
Kill 15 000 enemies in one visit of the Ember Grounds.
[Archer] Crit enemies 20 000 times within one run.
Deal 1 500 000 damage with Astronomer's Orbs.
[Archer] Reach level 60.
Deal 1 500 000 damage with Phantom Needles.
Survive the Ember Grounds until there are only 12 minutes left.
Deal 750 000 damage with Phantom Needles.
Kill 5 000 enemies in one visit of the Ember Grounds.
[Archer] Wait for 180 seconds before you start moving. You must move in order to complete the quest.
Defeat the Flamedancer.
Deal 1 500 000 damage with Radiant Aura.
Survive 28 minutes with your original max health. (Don't use items, blessings or traits)
[Exterminator] Reach level 60.
Deal 750 000 damage with Transfixion.
[Exterminator] Deal 3 000 000 fire damage in one run.
Deal 1 000 000 damage with Dragon's Breath.
Deal 750 000 damage with Radiant Aura.
Kill a total of 50 elite enemies.
Play for 333 minutes.
Survive 20 minutes without regenerating any health. Recovery from Potions or effects is allowed.
[Exterminator] Kill 50 000 enemies.
Defeat the Lord of Pain.
Kill a total of 1 lord.
[Swordsman] Deal 3 000 000 damage in one run.
Kill 25 000 enemies in one run.
Deal 1 500 000 damage with Ring Blades.
[Swordsman] Reach level 60.
Deal 750 000 damage with Ring Blades.
[Swordsman] Kill a total of 10 bosses.
[Swordsman] Get hit a total of 500 times over all attempts.
Kill 100 000 enemies in total.
[Exterminator] Apply burn to 50 000 enemies.
Level Up 500 times.
Apply damage effects 50 000 times.
Apply damage effects 500 000 times.
Kill 40 000 Skeletons.
Deal 500 000 damage with Dragon's Breath.
[Cleric] Regenerate 1 500 HP in one run. Only passive regeneration is counted.
[Cleric] Deal 1 500 000 magic damage in one run.
[Cleric] Reach level 30.
[Cleric] Deal 500 000 magic damage in one run.
Crit enemies 50 000 times.
Kill 15 000 enemies in one run.
Survive until there are only 10 minutes left.
[Swordsman] Deal 1 000 000 damage with the main weapon.
Deal 750 000 damage with Astronomer's Orbs.
Defeat the Lich.
[Swordsman] Hit 1 000 Enemies for 300 or more damage in one run. (Main Weapon)
[Swordsman] Acquire the trait [Strength IV] in a run.
Purchase 10 items from the wellkeeper.
Collect a total of 20 000 gold.
[Archer] Acquire the trait [Quick Hands IV] in a run.
[Archer] Crit enemies 5 000 times within one run.
Get Phantom Needles to Level 3 to be able to select Ability Upgrades.
[Archer] Reach level 30.
Deal 10 000 000 damage in total.
Kill a total of 10 bosses.
Purchase an item from the Wellkeeper.
Get Arcane Splinter to Level 3 to be able to select Ability Upgrades.
[Exterminator] Apply burn to 10 000 enemies.
[Exterminator] Destroy 200 Objects.
[Exterminator] Deal 1 000 000 fire damage in one run.
Kill 5 000 enemies in one run.
[Exterminator] Reach level 30.
Retrieve 1 item from the Halls of Torment.
[Exterminator] Deal 200 000 burn damage in one run.
[Exterminator] Deal 300 000 fire damage in one run.
[Exterminator] Apply 50 or more burn effects at the same time.
Kill 1 000 enemies in one visit of the Ember Grounds.
Survive the Ember Grounds until there are only 22 minutes left.
Rescue the Wellkeeper.
Enter the Halls of Torment 5 times and survive at least 5 minutes.
Consume a total of 10 potions.
[Archer] Increase your movement speed to 8m/s.
Defeat the Skeleton Lord.
Get Lightning Strike to Level 3 to be able to select Ability Upgrades.
[Swordsman] Reach level 30.
Collect a total of 300 gold.
Survive until there are only 14 minutes left.
[Swordsman] Walk 5 000 meters in one run.
Get Astronomer's Orbs to Level 3 to be able to select Ability Upgrades.
[Swordsman] Deal 200 000 damage with the main weapon.
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.
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.