In Resident Evil Village you'll ll need to find the Mask of Pleasure in order to open the doors of Castle Dimitrescu. This mask however might be the most difficult out of all four that you must acquire to progress through the game. If it's been evading you, here's how you can get your hands on Mask of Pleasure.
How to Get the Mask of Pleasure in Resident Evil Village
To find the Mask of Pleasure you'll first need to find Dimitrescu’s Key. Later on in the game, after exiting the wine cellar onto the terrace you'll be lead to Dimitrescu’s Chamber. Enter the chamber from the balcony and the key will be hanging off the candelabra on the wall.
With the key in your possession go back to the main hall and up the staircase to your right. Enter through the door with the white face on the left then use Dimitrescu’s Key to open the next door with the golden emblem. Behind that door will be the Hall of Pleasure and you'll find the mask on the statue in the center.