The The Executioner Add-on for The Evil Within has 10 achievements.
Clear The Executioner without taking any damage.
Purchase all items in the Shop.
Complete all Torments.
Kill 10 basic Haunted with the chainsaw.
Get payback on the cop who took down your predecessor.
Kill 10 basic Haunted with environmental traps in The Executioner.
Collect all Daughter's Diaries in The Executioner.
Clear the basement of the manor house in The Executioner.
Use Executions on 20 basic Haunted.
Clear the first and second floors of the manor house in The Executioner.