Stages He has four "stages": "Your stages do not affect your power but your mind" Stage #1: Sans is surfaced, in this stage others can normally talk to him, he is generally approachable Stage #2: Classic Killer, should not be trusted, emotions are suppressed and he's unpredictable Stage #3: "Crazy Mode", he will hurt anything and anybody in his way whether he means to or not, very violent Stage #4: Details about this stage are vague but it seems it is most dangerous stage, and it is shown t