concept is that this is the dusttale sans that was apart of certain trios (like Former time trio). The reason why he's "changed" is cuz he saw insanity sans and realized that's what he could become if he kept the whole "murderous killer" vibe to himself and saw what he could've been like instead when he remembered (seeing last breath sans) and decided that killing everyone first would still make his "job" easier but he should still to being himself and NOT an intense crazy killer, and just be himself, witho