Wavelength Control (波長コントロール, Hachō Kontorōru) is the ability related to manipulating Wavelengths.
As the name implies, Wavelength Control is a ability utilized primarily by Humans and Demon Weapons in which allows for control over one's own or other Soul Wavelengths. Although a basic skill virtually all Meisters and Demon Weapons possess, the level of proficiency varies individual to individual.
Main article: Magical-Like Powers A higher form of Wavelength Control that has some resemblance to Magic. Only Demon Weapons whom attained the Death Scythe ranking possess Magical-Like Powers, befitting most likely from the Witch soul consumed to gain such a status.