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 Ghouls.
Deal 1 000 000 damage with Morning Star.
Deal 750 000 damage with Spirit Warrior.
Reach level 40.
Deal 4 000 000 projectile damage in one run.
Deal 1 000 000 projectile damage in one run.
[Norseman] Deal 5 000 000 physical damage in one run.
[Norseman] Reach level 60.
[Norseman] Deal 2 000 000 phyiscal damage in one run.
[Norseman] Deal 500 000 physical damage in one run.
[Norseman] Reach level 30.
[Norseman] Hit 30 Enemies with a single Frost Nova.
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.
[Beast Huntress] Have your Dog deal 1 000 000 damage.
Kill 6 000 enemies in one visit of the Chambers of Dissonance.
[Beast Huntress] Deal 5 000 000 ice damage in one run.
[Beast Huntress] Reach level 60.
Defeat the Village.
Survive the Chambers of Dissonance until there are only 12 minutes left.
[Beast Huntress] Deal 2 000 000 ice damage in one run.
Defeat the Void Caller.
[Beast Huntress] Reach level 30.
Survive the Chambers of Dissonance until there are only 20 minutes left.
[Beast Huntress] Deal 500 000 ice damage in one run.
[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] Defeat the Elder Giant.
[Frozen Depths] Survive the Frozen Depths until there are only 10 minutes left.
Deal 750 000 damage with Frost Avalanche.
[Frozen Depths] Defeat the Twisted Construct.
[Frozen Depths] Kill 7 500 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 3 000 enemies in one visit of the Frozen Depths.
[Frozen Depths] Kill 500 enemies in one visit of the Frozen Depths.
Purchase 40 items from the wellkeeper.
[Shield Maiden] Reach Agony III on the Forgotten Viaduct.
[Cleric] Reach Agony III on the Haunted Caverns.
Apply debuffs 500 000 times.
Recover 100 000 HP in total
[Sorceress] Apply 20 stacks of electrify on a single enemy.
[Sorceress] Reach Agony III on the Forgotten Viaduct.
Collect a total of 200 000 gold.
[Exterminator] Reach Agony III on the Ember Grounds.
Kill 50 000 Gargoyles
[Swordsman] Reach Agony III on the Haunted Caverns.
[Warlock] Reach Agony III on the Ember Grounds.
[Warlock] Take a total of 15 000 damage over all runs.
[Archer] Reach Agony III on the Haunted Caverns.
Survive 20 minutes without regenerating any health. Recovery from Potions or effects is allowed.
[Archer] Wait for 180 seconds before you start moving. You must move in order to complete the quest.
[Archer] Crit enemies 50 000 times within one run.
[Archer] Walk 100 000 meters.
Kill 40 000 Imps.
Kill a total of 100 bosses.
[Warlock] Survive 28 minutes without using your main weapon.
Apply electrify 100 000 times.
Deal 3 000 000 damage with Kugelblitz.
Deal 3 000 000 damage with Radiant Aura.
Kill 50 000 Scorched.
Kill a total of 150 elite enemies.
[Warlock] Survive 5 minutes with a maxmimum health of 250 or less.
Kill 50 000 enemies with effects.
[Sorceress] Block 90 attacks in one run.
[Shield Maiden] Deal 3 000 000 damage with the shield bash.
[Shield Maiden] Crit enemies 2 000 enemies with your main attack in one run. Shield Bash doesn't count.
[Shield Maiden] Deal 1 500 000 damage with the shield bash.
[Shield Maiden] Wait for 180 seconds before you start moving. You must move in order to complete the quest.
[Exterminator] Apply burn to 200 000 enemies.
Level Up 2 000 times.
Survive 28 minutes with your original max health. (Don't use items, blessings or traits)
Kill a total of 10 lord.
Kill 50 000 Wraiths
[Cleric] Apply 50 000 debuffs in total.
Crit enemies 500 000 times.
Deal 3 000 000 damage with the Golem.
Deal 1 500 000 damage with the Golem.
[Shield Maiden] Survive 28 minutes without any defense buffs.
Deal 3 000 000 damage with Lightning Strike.
Deal 1 500 000 damage with Kugelblitz.
Play for 666 minutes.
Deal 3 000 000 damage with Arcane Splinter.
Kill 400 000 enemies in total.
[Warlock] Acquire the trait [Channeling V] in a run.
[Warlock] Do not get hit for 5 minutes.
Deal 3 000 000 damage with Astronomer's Orbs.
Deal 1 500 000 damage with Radiant Aura.
[Shield Maiden] Get hit 500 times in a single run.
[Shield Maiden] Acquire the trait [Parry V] in a run.
Deal 1 500 000 damage with Lightning Strike.
Deal 3 000 000 damage with Phantom Needles.
Deal 3 000 000 damage with Meteor Strike.
[Exterminator] Kill 50 000 enemies.
Deal 2 000 000 damage with Dragon's Breath.
Deal 1 500 000 damage with Meteor Strike.
[Exterminator] Apply burn to 50 000 enemies.
Deal 750 000 damage with Meteor Strike.
Deal 750 000 damage with Kugelblitz.
[Sorceress] Deal 5 000 000 lightning damage in one run.
Deal 750 000 damage with Lightning Strike.
[Sorceress] Reach level 60.
[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] Deal 2 000 000 lightning damage in one run.
[Sorceress] Increase your movement speed to 11m/s.
[Sorceress] Apply burn to 1 000 enemies in a single run.
[Sorceress] Reach level 30.
[Sorceress] Deal 500 000 lightning damage in one run.
Enter the Halls of Torment 20 times and survive at least 5 minutes.
[Shield Maiden] Defeat a Lord.
Deal 3 000 000 damage with Ring Blades.
[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.
Defeat the Lord of Despair.
Deal 3 000 000 damage with Transfixion.
Deal 1 500 000 damage with Arcane Splinter.
Survive the Forgotten Viaduct until there are only 2 minutes left.
Deal 750 000 damage with the Golem.
Kill 10 000 enemies in one visit of the Forgotten Viaduct.
Defeat the Hydra.
Deal 100 000 000 damage in total.
Apply debuffs 50 000 times.
Kill 5 000 enemies in one visit of the Forgotten Viaduct.
Survive the Forgotten Viaduct until there are only 10 minutes left.
Enter Forgotten Viaduct and rescue the Cupbearer.
Defeat the Frost Knight.
Survive the Forgotten Viaduct until there are only 18 minutes left.
Defeat the Wraith Horseman.
[Swordsman] Get hit a total of 500 times over all attempts.
Defeat the Lord of Pain.
Kill 40 000 Hellhounds.
[Cleric] Deal 500 000 burn damage in one run.
[Cleric] Reach level 60.
[Cleric] Apply 10 stacks of Fragile on a single enemy at once.
Deal 1 500 000 damage with Phantom Needles.
[Warlock] Deal 5 000 000 summon damage in one run.
[Warlock] Kill 5 000 Hellhounds in one exploration.
[Warlock] Reach level 60.
Kill 40 000 Slimes.
[Warlock] Deal 2 000 000 summon damage in one run.
[Warlock] Reach level 30.
[Warlock] Deal 500 000 summon damage in one run.
Apply damage effects 500 000 times.
Apply damage effects 50 000 times.
Defeat the Lord of Regret.
Kill a total of 1 lord.
Kill 15 000 enemies in one visit of the Ember Grounds.
Survive the Ember Grounds until there are only 2 minutes left.
[Swordsman] Kill a total of 10 bosses.
Defeat the Wyrm Queen.
Deal 1 500 000 damage with Transfixion.
Play for 333 minutes.
Kill a total of 50 elite enemies.
[Archer] Enter the Halls of Torment 5 times.
Deal 1 500 000 damage with Ring Blades.
[Archer] Crit enemies 20 000 times within one run.
[Archer] Reach level 60.
[Archer] Kill 20 000 enemies in one run.
Deal 750 000 damage with Ring Blades.
Kill 25 000 enemies in one run.
[Exterminator] Reach level 60.
Deal 1 000 000 damage with Dragon's Breath.
[Exterminator] Deal 3 000 000 fire damage in one run.
Deal 500 000 damage with Dragon's Breath.
Consume a total of 100 potions.
[Exterminator] Deal 1 000 000 fire damage in one run.
[Exterminator] Apply burn to 10 000 enemies.
Kill 40 000 Skeletons.
Level Up 500 times.
Kill 1 000 enemies in one visit of the Forgotten Viaduct.
[Swordsman] Deal 3 000 000 damage in one run.
[Swordsman] Reach level 60.
Deal 750 000 damage with Transfixion.
Deal 750 000 damage with Arcane Splinter.
Kill 100 000 enemies in total.
Get Lightning Strike to Level 3 to be able to select Ability Upgrades.
Purchase 10 items from the wellkeeper.
Kill 5 000 enemies in one visit of the Ember Grounds.
Survive the Ember Grounds until there are only 12 minutes left.
[Archer] Acquire the trait [Quick Hands IV] in a run.
[Cleric] Deal 5 000 000 magic damage in one run.
[Cleric] Acquire the trait [Metabolism V] in a run.
Deal 750 000 damage with Radiant Aura.
Deal 750 000 damage with Phantom Needles.
[Cleric] Deal 1 500 000 magic damage in one run.
Collect a total of 20 000 gold.
Crit enemies 50 000 times.
[Cleric] Regenerate 1 500 HP in one run. Only passive regeneration is counted.
Get Arcane Splinter to Level 3 to be able to select Ability Upgrades.
[Exterminator] Destroy 200 Objects.
[Exterminator] Walk 8 000 meters in one run.
[Exterminator] Deal 200 000 burn 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 1 000 enemies in one visit of the Ember Grounds.
Defeat the Flamedancer.
Kill a total of 10 bosses.
[Cleric] Reach level 30.
Get Phantom Needles to Level 3 to be able to select Ability Upgrades.
Deal 10 000 000 damage in total.
[Cleric] Deal 500 000 magic damage in one run.
Purchase an item from the Wellkeeper.
Enter the Halls of Torment 5 times and survive at least 5 minutes.
Deal 1 500 000 damage with Astronomer's Orbs.
[Swordsman] Regenerate 2 000 HP in one run
Survive until there are only 10 minutes left.
Kill 15 000 enemies in one run.
[Swordsman] Acquire the trait [Strength IV] in a run.
Defeat the Lich.
[Swordsman] Deal 1 000 000 damage with the main weapon.
Deal 750 000 damage with Astronomer's Orbs.
[Swordsman] Hit 1 000 Enemies for 300 or more damage in one run. (Main Weapon)
[Swordsman] Reach level 30.
Get Astronomer's Orbs to Level 3 to be able to select Ability Upgrades.
Retrieve 1 item from the Halls of Torment.
Survive the Ember Grounds until there are only 22 minutes left.
Rescue the Wellkeeper.
[Archer] Crit enemies 5 000 times within one run.
Kill 5 000 enemies in one run.
Defeat the Skeleton Lord.
Consume a total of 10 potions.
[Archer] Reach level 30.
[Archer] Increase your movement speed to 8m/s.
[Archer] Do not get hit for 3 minutes.
Collect a total of 300 gold.
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.
[Swordsman] Hit 20 Enemies with a single attack.
Survive until there are only 26 minutes left.
Enter the Halls of Torment.
Deal 500 000 damage with Flame Strike.
Deal 1 000 000 damage with Flame Strike.
Deal 2 000 000 damage with Flame Strike.
Deal 3 000 000 damage with Frost Avalanche.
Kill 10 000 Beasts.
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.
Deal 1 500 000 damage with Spirit Warrior.
Deal 3 000 000 damage with Spirit Warrior.
Deal 750 000 damage with Arcane Rift.
Deal 1 500 000 damage with Arcane Rift.
Deal 3 000 000 damage with Arcane Rift.
[Beast Huntress] Deal 1 000 000 frost damage in one run.
[Beast Huntress] Reach Agony III on the Frozen Depths.
Deal 750 000 damage with Hailstorm.
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 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 80.
Reach Agony III in Chambers of Dissonance
Deal 2 000 000 damage with Morning Star.
Deal 5 000 000 damage with Morning Star.
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.