Undyne's determination is one of Undertale's greatest mysterys. She is the one monster to have it, and that's why she does not die when you cut her health down to zero. When her sprite does actually die, it melts, which we learn is something that happens to monsters with too much determination injected in Alphy's experime The Monster Kid is one of the lesser known Undertale characters, despite the fact they are probably the one character you meet that is the same age as the main character. Undyn...