Here is the full list of all 30 Vlad the Impaler achievements.
Kill Vlad with the White-Out
Get all of the weapons for the Mage
Get all the achievements
Kill Vlad with the The Bloodspark
Kill Vlad with the Dagger of Perpetual Stone
Get all of the weapons for the Soldier
Kill Vlad with the Two handed Axe of the Oaken-Heart
Kill Vlad with the Pole-Arm of Menace
Get all of the weapons for the Explorer
Kill Vlad with the Primal Dirk
Defeat Vlad as the Sorceror
Defeat Vlad as the Assassin
Die to Vlad
Defeat Vlad as the Spy
Defeat Vlad as the Priest
Taunt Vlad
Recieve a mysterious silver stake
Defeat Vlad as the Knight
Convince Vlad to stop
Kill Vlad's Wife
Defeat Vlad as the Emissary
Enchant your weapon
Get to Vlad's Castle
Reach maximum evil morality
Get the arm of the King of the Catacombs
Have a skeleton give you a prophecy
Reach maximum good morality
Put the Red Harem out of their misery
Learn how traitors are treated in Istanbul
Complete a quest in under 10 seconds