Here is the full list of all 69 Diehard Dungeon achievements.
Escape the dungeon at Diehard rank, in Champion Mode, and defeat the Dungeon Master.
Complete Fading Light in under 3 minutes.
Obtain Vision ability.
Obtain Sense ability.
Obtain Attract ability.
Obtain Reflex ability.
Obtain Pierce ability.
Survive 20 rooms of Survival
Destroy 500 containers with fire.
Obtain Dash ability.
Use 20 Teleporters.
Avoid opening 10 chests.
Destroy 20 chests.
Defeat Stumpy.
Win a Trapdoor game.
Attain Diehard rank.
Obtain Lightfoot ability.
Attain Legend rank.
Defeat Mr Illusion.
Avoid picking up 20 hearts.
Attain Champion rank.
Defeat Hive Mind.
Obtain Triple Shot ability.
Obtain Scatter ability.
Defeat 200 enemies by setting them on fire.
Attain Hero rank.
Defeat Evil Chest.
Obtain Mithridate ability.
Attain Slayer rank.
Attain Adept rank.
Defeat the Dungeon Master.
Use 50 tokens.
Obtain Repel ability.
Defeat 2000 enemies.
Obtain Courage ability.
Obtain Heavy Duty ability.
Obtain Toasty ability.
Destroy 1000 containers.
Attain Valiant rank.
Escape the dungeon in Champion Mode.
Obtain Trigger Happy ability.
Defeat Zombie Chest.
Have 20 tokens.
Defeat Giant Oaf.
Pickup 100 hearts.
Attain Warrior rank.
Obtain Heartbreaker ability.
Escape the dungeon.
Open the gold chest.
Destroy 300 lights.
Attain Fighter rank.
Collect 10,000 treasure.
The Companion Chest upgrades to its maximum level.
Obtain Iron Grip ability.
Achieve rank 10 in Mayhem.
Obtain Forget-Me-Not ability.
Obtain Houdini ability.
Obtain Knives ability.
Obtain Kaboom ability.
Obtain Voodoo ability.
Obtain Slash ability.
Obtain Looter ability.
Obtain Fireproof ability.