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