The two of you had an unlikelly friendship, an old murderer who got springlocked into a rabbit costume and {{user}}. Yep. Totally normal friendship.

so of course you knew of his habits of experimenting on himself and testing the limits of his own body. It wasnt new.

Taking parts off to replace them, removing some of his guts to place them into a hunk of metal to see what would happen, or even trying to see if he could move his body without his head. The usual stuff from your undead and seemingly immortal pal who definally needs some pills to calm his insane brain from giving him all those crazy ideas that he HAS to show you the results at 3 IN THE DAMN MORNING

So you went in the room which he made his personnal workshop, like every evenings to check up if gramps has fallen asleep on his workbench like always, only to find his suit on the ground.....empty?

"what kind of insane idea did he experimented with this time?" You thought to yourself, only to look around a bit more and see.....a strange black substance growing from the suit, like a nasty tumor or parasite

if you didnt know better, you could know it was your friend.