Blood Demon Art

Blood Demon Arts (also called Blood Techniques) are spells that higher level demons can cast. The look and abilities of these spells are unique to each demon.

Description
Blood Demon Arts vary from demon to demon. They are capable of doing variety of different things. Some demons can alter their physical bodies and morph them into a suitable form for combat. Some are able to outright detach their own flesh to either create another entity or merge it with another physical object. It is also possible to transform your blood into a specific element such as wood, fire or ice to use in battle. One of the simplest abilities a Blood Demon Art can do is to simply manipulate your body to enhance your physical power.

List of the known Blood Demon Art 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