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.
Deal 100 000 damage with a single hit.
Deal 1 000 times damage by applying the 20th+ electrify stack through Kugelblitz.
Kill 5 000 enemies at full life with a single hit of Arcane Rift.
Hit 500 enemies for 25 000 damage or more. Overkill damage counts.
Kill 10 000 creatures made of ice.
Hit 40 enemies with a Morning Star for 100 times.
Deal 5 000 000 damage with items.
Deal 2 000 000 damage with items.
Apply Frost 80 000 times with Hailstorm
Kill 17 000 enemies in one visit of the Chambers of Dissonance.
Purchase 40 items from the wellkeeper.
Deal 20 000 000 the dash or dash explosion of Spirit Warriors in one run.
Reach Agony IV in Chambers of Dissonance
Kill 10 000 Beasts.
[Norseman] Kill 5 000 enemies with the Frost effect in a single run.
Apply 100 000 slow stacks in a single run.
[Beast Huntress] Reach Agony III on the Frozen Depths.
Deal 10 000 000 damage with Spectral Fists.
Deal 5 000 000 damage with Spectral Fists.
Deal 2 000 000 damage with Spectral Fists.
Reach level 100.
Deal 100 000 000 damage with your main ability.
Deal 50 000 000 direct damage with abilities.
Deal 15 000 000 direct damage with abilities.
Reach level 50.
Deal 10 000 000 damage with your main ability.
Deal 5 000 000 direct damage with abilities.
Survive the Chambers of Dissonance in Agony mode until the lord appears.
Deal 5 000 000 damage with Morning Star.
Reach Agony III in Chambers of Dissonance
Deal 2 000 000 damage with Morning Star.
Deal 1 000 000 damage with Morning Star.
Trigger 10 000 times direct Burn damage with Dragon's Breath. This is done by applying burn on enemies with 20 burn stacks.
Have 300 Arcane Splinter active at the same time.
Have Frost Avalanche fire/place projectiles or obstacles 10 000 times per minute.
One hit kill 1 000 enemies that have 1 000 or more Health with a direct hit from Lightning Strike within one run.
Deal 10 000 double crits or better with the Phantom Needles.
Have all Ring Blades projectiles travel a distance of 804 672 meters within a single run.
Reach level 80.
Deal 3 500 000 damage with Grenades.
Deal 1 500 000 damage with Grenades.
Reach level 40.
Deal 10 000 damage with a single hit.
Deal 10 000 000 projectile damage in one run.
Deal 4 000 000 projectile damage in one run.
Deal 1 000 000 projectile damage in one run.
Haave the Golem roll for a total duration of 20 minutes in a run.
[Warlock] Take a total of 15 000 damage over all runs.
[Warlock] Have 20 Summons at the same active. *attack projectiles do not count
Survive 20 minutes without regenerating any health. Recovery from Potions or effects is allowed.
Reach an average of 10 critical hits per second with the main attack of the Sorceress.
[Norseman] Hit Enemies 20 000 times with the axes. Must be done within one run.
[Norseman] Reach Agony III on the Frozen Depths.
Deal 3 000 000 damage with Spirit Warrior.
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.
Defeat the Village.
Survive the Chambers of Dissonance until there are only 12 minutes left.
Kill 6 000 enemies in one visit of the Chambers of Dissonance.
Survive the Chambers of Dissonance until there are only 20 minutes left.
Defeat the Void Caller.
[Shield Maiden] Reach Agony III on the Forgotten Viaduct.
Kill 50 000 Gargoyles
[Shield Maiden] Survive 28 minutes without any defense buffs.
[Shield Maiden] Crit enemies 2 000 enemies with your main attack in one run. Shield Bash doesn't count.
[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.
Survive 28 minutes with your original max health. (Don't use items, blessings or traits)
[Warlock] Survive 28 minutes without using your main weapon.
[Exterminator] Apply burn to 200 000 enemies.
[Archer] 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.
Deal 3 000 000 damage with the Golem.
Kill 50 000 Wraiths
[Sorceress] Block 90 attacks in one run.
Deal 3 000 000 damage with Hailstorm.
Deal 1 500 000 damage with Hailstorm.
Deal 750 000 damage with Hailstorm.
[Warlock] Acquire the trait [Channeling V] in a run.
[Frozen Depths] Kill 7 500 enemies in one visit of the Frozen Depths.
Kill 10 000 Ghouls.
[Warlock] Do not get hit for 5 minutes.
[Shield Maiden] Deal 3 000 000 damage with the shield bash.
Deal 3 000 000 damage with Kugelblitz.
[Shield Maiden] Acquire the trait [Parry V] in a run.
Kill 40 000 Imps.
Apply 150 000 effect stacks with Transfixion.
Kill 50 000 Scorched.
Deal 2 000 000 damage with Dragon's Breath.
[Swordsman] Kill a total of 10 bosses.
[Swordsman] Get hit a total of 500 times over all attempts.
Collect a total of 200 000 gold.
[Archer] Kill 20 000 enemies in one run.
Kill 15 000 enemies in one visit of the Ember Grounds.
Deal 3 000 000 damage with Frost Avalanche.
Kill a total of 100 bosses.
Apply debuffs 500 000 times.
[Archer] Crit enemies 50 000 times within one run.
[Archer] Walk 100 000 meters.
[Sorceress] Reach Agony III on the Forgotten Viaduct.
Kill a total of 10 lord.
Deal 1 500 000 damage with the Golem.
Deal 750 000 damage with the Golem.
Deal 1 500 000 damage with Spirit Warrior.
Deal 750 000 damage with Spirit Warrior.
Deal 3 000 000 damage with Ring Blades.
[Norseman] Deal 5 000 000 physical damage in one run.
Deal 1 500 000 damage with Ring Blades.
Kill 400 000 enemies in total.
Deal 3 000 000 damage with Arcane Splinter.
[Swordsman] Deal 3 000 000 damage in one run.
[Swordsman] Reach level 60.
[Swordsman] Regenerate 2 000 HP in one run
Deal 1 500 000 damage with Arcane Splinter.
[Swordsman] Reach Agony III on the Haunted Caverns.
Kill a total of 150 elite enemies.
[Shield Maiden] Deal 1 500 000 damage with the shield bash.
Deal 160 Crits with a single Meteor. Overcrits are getting counted.
Crit enemies 500 000 times.
[Shield Maiden] Get hit 500 times in a single run.
Deal 3 000 000 damage with Arcane Rift.
Apply electrify 100 000 times.
Level Up 2 000 times.
Deal 2 000 000 damage with Flame Strike.
[Exterminator] Reach Agony III on the Ember Grounds.
[Exterminator] Kill 50 000 enemies.
Deal 3 000 000 damage with Phantom Needles.
[Archer] Crit enemies 20 000 times within one run.
[Sorceress] Apply 20 stacks of electrify on a single enemy.
Deal 1 500 000 damage with Kugelblitz.
Deal a 25 000 Damage or better hit on a single enemy with Radiant Aura without Fragile effect.
Deal 3 000 000 damage with Lightning Strike.
[Sorceress] Reach level 60.
[Sorceress] Deal 5 000 000 lightning damage in one run.
[Sorceress] Apply burn to 1 000 enemies in a single run.
Play for 666 minutes.
[Exterminator] Apply burn to 50 000 enemies.
[Cleric] Acquire the trait [Metabolism V] in a run.
Kill 50 000 enemies with effects.
Kill 40 000 Hellhounds.
[Warlock] Kill 5 000 Hellhounds in one exploration.
Kill 25 000 enemies in one run.
[Warlock] Reach level 60.
Kill 40 000 Slimes.
[Warlock] Deal 5 000 000 summon damage in one run.
[Warlock] Deal 2 000 000 summon damage in one run.
[Warlock] Reach level 30.
[Warlock] Deal 500 000 summon damage in one run.
Deal 1 500 000 damage with Frost Avalanche.
Deal 750 000 damage with Kugelblitz.
Consume a total of 100 potions.
Hit Enemies 40 000 times with Astronomer's Orbs.
Deal 3 000 000 damage with Astronomer's Orbs.
Apply damage effects 500 000 times.
Deal 3 000 000 damage with Transfixion.
Deal 1 500 000 damage with Astronomer's Orbs.
Deal 1 500 000 damage with Transfixion.
Deal 1 500 000 damage with Lightning Strike.
[Archer] Enter the Halls of Torment 5 times.
[Archer] Reach Agony III on the Haunted Caverns.
[Cleric] Reach Agony III on the Haunted Caverns.
Purchase 10 items from the wellkeeper.
Deal 750 000 damage with Ring Blades.
[Exterminator] Reach level 60.
[Exterminator] Deal 3 000 000 fire damage in one run.
Deal 1 500 000 damage with Arcane Rift.
[Norseman] Deal 2 000 000 phyiscal damage in one run.
Deal 1 000 000 damage with Flame Strike.
Deal 1 000 000 damage with Dragon's Breath.
Deal 750 000 damage with Arcane Rift.
[Norseman] Deal 500 000 physical damage in one run.
[Norseman] Collect 10 Power Ups in one run.
[Norseman] Reach level 60.
Deal 3 000 000 damage with Meteor Strike.
Deal 1 500 000 damage with Meteor Strike.
Deal 750 000 damage with Meteor Strike.
[Norseman] Reach level 30.
[Norseman] Hit 30 Enemies with a single Frost Nova.
Enter the Halls of Torment 20 times and survive at least 5 minutes.
[Sorceress] Deal 500 000 electrify damage in one run.
Recover 100 000 HP in total
[Sorceress] Deal 2 000 000 lightning damage in one run.
[Sorceress] Reach level 30.
[Sorceress] Hit 1 000 Enemies for 500 or more damage in one run. (Main Attack)
[Sorceress] Increase your movement speed to 11m/s.
[Sorceress] Deal 500 000 lightning damage in one run.
Defeat the Lord of Despair.
[Beast Huntress] Have your Dog deal 1 000 000 damage.
[Beast Huntress] Deal 5 000 000 ice damage in one run.
[Beast Huntress] Deal 1 000 000 frost damage in one run.
Kill 10 000 enemies in one visit of the Forgotten Viaduct.
Deal 750 000 damage with Frost Avalanche.
[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.
Purchase an item from the Wellkeeper.
[Frozen Depths] Defeat the Lord of Hate.
Deal 3 000 000 damage with Radiant Aura.
[Cleric] Apply 50 000 debuffs in total.
Deal 500 000 damage with Flame Strike.
Deal 100 000 000 damage in total.
[Frozen Depths] Survive the Frozen Depths until there are only 2 minutes left.
[Frozen Depths] Defeat the Elder Giant.
Deal 750 000 damage with Lightning Strike.
Deal 1 500 000 damage with Radiant Aura.
[Frozen Depths] Survive the Frozen Depths until there are only 10 minutes left.
[Frozen Depths] Defeat the Twisted Construct.
[Frozen Depths] Kill 3 000 enemies in one visit of the Frozen Depths.
Get Lightning Strike to Level 3 to be able to select Ability Upgrades.
Kill 40 000 Skeletons.
Apply debuffs 50 000 times.
Kill a total of 50 elite enemies.
Play for 333 minutes.
[Frozen Depths] Defeat the Basilisk.
[Frozen Depths] Survive the Frozen Depths until there are only 18 minutes left.
[Frozen Depths] Kill 500 enemies in one visit of the Frozen Depths.
Defeat the Lord of Pain.
[Shield Maiden] Defeat a Lord.
[Shield Maiden] Reach level 60.
[Shield Maiden] Deal 300 000 damage with the shield bash.
Reach level 30.
Crit enemies 50 000 times.
[Shield Maiden] Hit 15 Enemies with a single attack. Can't be done with the shield bash.
Deal 750 000 damage with Arcane Splinter.
Retrieve 1 item from the Halls of Torment.
[Archer] Reach level 60.
Kill 100 000 enemies in total.
Get Arcane Splinter to Level 3 to be able to select Ability Upgrades.
[Archer] Acquire the trait [Quick Hands IV] in a run.
Level Up 500 times.
Survive the Forgotten Viaduct until there are only 2 minutes left.
Deal 750 000 damage with Radiant Aura.
Kill 5 000 enemies in one visit of the Forgotten Viaduct.
Defeat the Hydra.
Survive the Forgotten Viaduct until there are only 10 minutes left.
Defeat the Frost Knight.
Survive the Forgotten Viaduct until there are only 18 minutes left.
Enter Forgotten Viaduct and rescue the Cupbearer.
Kill 1 000 enemies in one visit of the Forgotten Viaduct.
Defeat the Wraith Horseman.
[Swordsman] Deal 1 000 000 damage with the main weapon.
[Swordsman] Hit 1 000 Enemies for 300 or more damage in one run. (Main Weapon)
Collect a total of 20 000 gold.
[Swordsman] Acquire the trait [Strength IV] in a run.
[Swordsman] Hit 20 Enemies with a single attack.
Defeat the Lord of Regret.
Kill a total of 1 lord.
Survive the Ember Grounds until there are only 2 minutes left.
Deal 750 000 damage with Transfixion.
Deal 1 500 000 damage with Phantom Needles.
[Cleric] Reach level 60.
Defeat the Wyrm Queen.
Kill 5 000 enemies in one visit of the Ember Grounds.
Survive the Ember Grounds until there are only 12 minutes left.
[Cleric] Apply 10 stacks of Fragile on a single enemy at once.
[Exterminator] Destroy 200 Objects.
Consume a total of 10 potions.
Deal 500 000 damage with Dragon's Breath.
[Cleric] Deal 5 000 000 magic damage in one run.
[Cleric] Deal 500 000 burn damage in one run.
Apply damage effects 50 000 times.
[Cleric] Regenerate 1 500 HP in one run. Only passive regeneration is counted.
Kill a total of 10 bosses.
[Cleric] Reach level 30.
[Cleric] Deal 1 500 000 magic damage in one run.
[Cleric] Deal 500 000 magic damage in one run.
Deal 10 000 000 damage in total.
Deal 750 000 damage with Astronomer's Orbs.
Kill 15 000 enemies in one run.
Survive until there are only 10 minutes left.
[Exterminator] Apply burn to 10 000 enemies.
Defeat the Lich.
Deal 750 000 damage with Phantom Needles.
[Exterminator] Deal 200 000 burn damage in one run.
[Exterminator] Walk 8 000 meters 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.
Enter the Halls of Torment 5 times and survive at least 5 minutes.
Rescue the Wellkeeper.
[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.
Defeat the Flamedancer.
[Archer] Do not get hit for 3 minutes.
[Archer] Crit enemies 5 000 times within one run.
Kill 5 000 enemies in one run.
Defeat the Skeleton Lord.
[Archer] Increase your movement speed to 8m/s.
[Archer] Reach level 30.
Get Phantom Needles to Level 3 to be able to select Ability Upgrades.
Collect a total of 300 gold.
[Swordsman] Reach level 30.
Survive until there are only 14 minutes left.
Get Astronomer's Orbs to Level 3 to be able to select Ability Upgrades.
[Swordsman] Walk 5 000 meters in one run.
[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.
Kill 10 000 Carpas.
Kill 10 000 Constructs.
Kill 10 000 Homunculi.
[Norseman] Deal 10 000 000 frost damage in one run.