Here is the full list of all 32 Dungeon Warfare 2 achievements.
Clear 20 Ethereal Maps
Start a Battle with at least 100 Life Penalty from Runes
Hex a Harbinger of Plague Spawn
Have Arcstone Lightning jump 50 times
Complete all Mission Objectives in the game
Kill 100,000 Enemies
Clear all stages
Transmute nine Unique Items
Clear any Labyrinth 10 times
Defeat the Twin Shieldmasters
Kill the Dr.Balanced
Defeat the Harbinger of Plague
Reach 500% Damage Bonus with Dart Trap using Soulsteal Trait
Create a Rare Rune with Transmute
Obtain a Unique Map
Defeat the Archmage
Clear a Map with nine Unidentified Runes
Clear a Map with at least 10x XP Multiplier
Put at least one Skill Point in every single Skills
Earn 5000 Gold with Looting Skill
Kill the Mysterious Challenger
Unlock all Traps
Deal 1,000,000 Damage
Unlock a new Map by clearing an Ethereal Map
Obtain 10 Unique Items
Use an Ethereal Map
Kill 50 enemies with Portal Guardian
Kill a unit by placing a Barricade over it
Destroy a Tomb
Obtain a Unique Item
Obtain a Unique Rune
Rush at least five waves consecutively