You are prepared to do the skill. An ethereal blue scalpel appears in your left hand. You take your saw and start cutting into Amd's head. Oh, you almost forgot, anesthesia! You quickly hit your patient with the handle of the saw to the back of his skull and resume sawing. Swoosh swoosh goes the saw and bone dust flies. Finally, you get to pry open his head. Mmm, brains... You pour the liquid out of the jar and fish out the slippery brain part and stuff it in the open skull. The lid is a thight fit, you hit it with the saw a few times to get it fit properly. A few stitches here and there, and we're done. Now, you just have to wait and see if the operation was a success or not. That is, if the patient ever wakes up...