Minecraft: Story Mode
50 Achievements
1,375
Killer Instincts
Completed Chapter 3 of Episode 6
20
How to unlock the Killer Instincts achievement in Minecraft: Story Mode - Definitive Guide
Push the lever to close the door. In the dining room, examine the portrait and punch it. Examine the dining table and push the button. Interrogate the suspects and make your choice. Depending on your choice a different character will die later but it won't affect much the main storyline. After that, you will be in the kitchen, look at the painting and punch it. Pull the lever, follow the secret path and the chapter will end.
So as you try and figure out what's going on you'll start interviewing several of the people in this mansion. After that you decide to check out the kitchen to figure out what's going on. You'll find a secret passage and go through it. Once you start to explore the passage the achievement will unlock.