Blood Demon Art

Blood Demon Arts (also called Blood Techniques) are spells some higher level demons can cast. They are unique to each demon.

Description
Blood Demon Art Techniques seem to be unique and vary from Demon to Demon,but the main root of their ability is their power to morph,alter and change the physical characteristics,state,form and power of their own flesh and blood,Some demons can alter their physical bodies and morph them into suitable form for combat or even outright detach their flesh to either create another entity or merge it with a physical object for battle or transform their blood into a specific element such as wood,fire and ice to directly use in battle, or simply manipulate their bodies to enhance their physical powers,

List of the known users
L - Lower, U - Upper, M - Moon
 * Muzan Kibutsuji (Progenitor)
 * Akaza (UM3)
 * Daki (UM6)
 * Doma (UM2)
 * Enmu (LM1)
 * Gyokko (UM5)
 * Gyutaro (UM6)
 * Hantengu (UM4)
 * Kaigaku (UM6)
 * Nezuko Kamado, the only Demon who didn't need to eat humans to be able to use Blood Demon Arts
 * Kokushibo (UM1)
 * Kyogai (LM6)
 * Nakime (UM4)
 * Spider Family
 * Mother Spider Demon
 * Rui (LM5)
 * Swamp Demon
 * Tamayo
 * Yushiro