"Turn the tables on Verdugo, the right hand of Salazar.
— Offical description (English and Japanese)
A Terrifying Assassin is an award for the HD re-release of Resident Evil 4, earned by defeating the Verdugo. The Xbox 360 version is worth 150 Gamerscore, while the PlayStation 3 version grants a Silver Trophy.
As of 18 October 2017, 23.3% of Steam gamers who bought the Ultimate HD edition earned this achievement.