Jock Neutering (Ivellius)

Achievement Unlocked - Jock Neutering Well, almost. But you didn’t do anything to deserve this one. Amelia, on the other hand, will have a big surprise waiting in your barrier scenario option. And no, she will not be able to read this message, I made sure of it... just in case, this message will self-destruct. Now!

Reference
Acquired in Chapter 39 "The Little Intruder"