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