 He is only stopped from killing her by the shinigami Rem, who threatens to kill him if she dies early or if he tries to kill her, despite her knowledge that doing so will cause her own death.Although Light originally had good intentions, he was "very conceited", with a "warped ... desire to be godlike", bearing love for his family, and intending to transform the world into "a better place".Ohba also states that Light, "uncompromising" when achieving his ideals, "sullied" himself by using the Death Note and that his actions "may have been the result of the purity within him" prior to obtaining the Death Note.