Here is the full list of all 83 HELLCARD achievements.
Reach floor 19 in Endless Mode
Win a battle in the first turn
Have a team member play at least 15 cards during one turn and deal no damage.
Win run with Torment 1.
Have 1k block.
Build deck consisting only of Skill cards.
Have 128 block.
Wear 5 different outfits in battles.
Die due to rotten damage.
Unlock all cards and artifacts for 1 class.
Win 5 runs
Win a run with every player having 1HP at the end.
Win a match when all other players had fallen.
Die alongside with all the monsters.
Win a match dead.
Play a Starter card using a Stamina Burst.
Win a run under 45 minutes
Win a run under 60 minutes
Take no damage in a turn in which 3 heroes are supposed to die.
Die to an archer while playing a Warrior
Defeat Antipope
Have all of your cards in hand cost 0 mana (at least 5 cards).
Reach floor 13 in Endless Mode
Defeat Cook
Have a monster frozen and stunned at the same time.
Defeat all minibosses
Win a run
Defeat Archdemon
Deal 200 damage in one turn as a team.
Gamble away the last gem.
Build deck consisting only of Attack cards.
Deal 100 damage in one turn as a team.
Deal 50 damage in one turn as a team.
Win 15 runs
Win a run under 30 minutes
Have 32k block.
Unlock all cards and artifacts for 2 classes.
Unlock all cards and artifacts for 3 classes.
Wear 10 different outfits in battles.
Wear 15 different outfits in battles.
During a battle have more status cards in your deck than all other types combined.
Have all of your cards in hand cost at least 3 mana (at least 5 cards).
Build deck consisting only of Influence cards.
Start a battle with 1HP and survive.
Start a battle with 1 HP and exit it with full health.
Win a run without companions.
Win a run without getting any gemstones.
Win a run without losing any HP.
Win a run without taking any artifacts.
Win a run without adding or removing any cards to your deck.
Replay 5 cards using Stamina Burst in a single turn.
Win a run taking all rightside paths on the map.
Win final boss fight during first turn.
Win a battle having 2 or less cards in deck.
In a single adventure screen upgrade a Starter Card to a Legendary.
Win a run without getting any block.
Kill an enemy while having at least 10 Weak influence stacked.
Have 2 team members play at least 15 cards each during one turn and deal no damage.
Have 3 team members play at least 15 cards each during one turn and deal no damage.
Reach 50 max HP.
Win a battle with Antipope without ever reaching card limit.
Win a run with the Pacifist Torment modifier without killing any monster.
At any point, have at least 35 cards in your deck.
Have only legendary cards in your deck.
Win a run with Torment 10.
Win a run with Torment 20.
Reach floor 25 in Endless Mode