Necromunda: Hired Gun
48 Achievements
GOG
Ruthless
Kill Brickjaw in Koloss 44 Details for this achievement will be revealed once unlocked
10.6%
How to unlock the Ruthless achievement in Necromunda: Hired Gun - Definitive Guide
On mission 2, koloss 44, the train mission, you free a big guy (brickjaw) from an iron maiden looking thing towards the end of the mission. After the cut scene and before jumping down a hatch kill him before progressing on, its not a difficult fight.