Here is the full list of all 38 DUNGEON ENCOUNTERS achievements.
Unlock all achievements.
Acquire all abilities.
Chart every tile.
Chart 88,000 tiles.
Compile profiles on all fiends.
Chart 80,000 tiles.
Reach Floor 99.
Find and befriend all members of the Academy.
Deal more than 100,000 damage with a single attack.
Chart 70,000 tiles.
Deal more than 50,000 damage with a single attack.
Chart 60,000 tiles.
Chart 50,000 tiles.
Deal more than 20,000 damage with a single attack.
Reach Fading Twilight.
Reach the Glacial Tomb.
Reach the Enshrouding Mists.
Acquire 30 abilities.
Chart 40,000 tiles.
Reach Forgotten Glory.
Compile profiles on 75 fiends.
Reach the Rift Beyond.
Deal more than 10,000 damage with a single attack.
Deal more than 5,000 damage with a single attack.
Reach the Blasted Wastes.
Chart 30,000 tiles.
Acquire 20 abilities.
Deal more than 3,000 damage with a single attack.
Chart 20,000 tiles.
Compile profiles on 50 fiends.
Deal more than 1,000 damage with a single attack.
Reach the Molten Crags.
Reach the Undulating Sands.
Acquire 10 abilities.
Chart 10,000 tiles.
Reach Paradise Lost.
Compile profiles on 25 fiends.
Reach the Underworld.