Full list of all 75 Undead Onslaught achievements.
The base game contains 58 achievements, and there is 1 DLC pack containing 17 achievements.
Unlock The Dark Ascendant and become the master of darkness and flames
Unlock Vespera Darkmoon and claim vengeance for the forsaken
Unlock Seraphyne Von Eldrath and make sure the Von Eldrath dynasty reigns supreme!
Unlock the Nosferatu's Orb and drain the life-force of your enemies.
Unlock the Northern Morningstar and shatter the brittle bones of your enemies.
Unlock the Siege and devastate your enemies.
Rank up Blood of Baphomet to max level.
Rank up Dark Lord's Scepter to max level.
Rank up Flaming Soul to max level.
Rank up Gauntlet of the Titan to max level.
Rank up Goblet of House Veremontis to max level.
Rank up Horn of Eternal Winter to max level.
Rank up Icon of Blasphemy to max level.
Rank up Living Spark to max level.
Rank up Six Inch Nail to max level.
Rank up Vampire's Fang to max level.
Unlock Castle Von Eldrath