Here is the full list of all 19 You... and who else? achievements.
VICTORY!!
Survived the longest fight
Ancient Demon Defeated
Poltergheist Defeated
Orianne Defeated
Lamia Defeated
Kayzer Defeated
Giga Ogre Defeated
Red Dragon Defeated
Circus Conquered
Survived Death
Annabella Defeated
Minotaur Defeated
Inferis Manor Conquered
Dragon Defeated
Secret Beach Discovered
Ejeryghadon Defeated
Henrik Defeated
Karol Defeated