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