Heartless Killing Machine

Are you emotionally exhausted, socially awkward, and just trying to get through the day without murdering anyone? Then congratulations—you might be a terrible heartless killing machine, just like Murderbot. This Murderbot Diaries-inspired t-shirt features a quote that perfectly captures everyone’s favorite sarcastic, armor-clad security unit: “As a heartless killing machine, I am a terrible failure.” Made for fans of Martha Wells’ Murderbot Diaries, this shirt blends dry humor, sci-fi angst, and a subtle nod to the character’s accidental humanity. Whether you're bingeing your favorite media feeds or begrudgingly protecting humans, this tee is the perfect way to broadcast your Murderbot energy without making eye contact.

Fit & Sizing: Runs true to size for a relaxed fit Size up for a cozy, oversized look Check the size chart in images to find your best fit

Care Instructions: Machine wash cold, inside out Tumble dry low or lay flat to dry Do not iron directly over the design

Returns & Exchanges: Each item is made to order, so we don’t accept returns. However, if there’s an issue with your order, please reach out—we’ll make it right.

Thank You for Supporting Our Small Business! Every order helps us create unique, book-inspired designs for readers like you. Thank you for helping us grow—and for not murdering anyone today. Probably.