Blood Demon Art

Blood Demon Arts, also called Blood Demon 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; each user is capable of a variety of abilities. Some demons can alter their physical bodies and morph them into a suitable form for combat and 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 for a demon to transform its blood into a specific element such as wood, fire or ice to use in battle. One of the simplest abilities of a Blood Demon Art is the manipulation of the body to enhance 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
 * Older Sister Spider Demon
 * Rui (LM5)
 * Susamaru
 * Swamp Demon
 * Tamayo
 * Yahaba
 * Yushiro