Alderignis

Alderignis is an aldernic term for when one has, or wishes to have, a body that is, partially or fully, made of fire.

History
The term alderignis was created by crying-roses on December 19th, 2021 on the website Tumblr.

Flags
The flag was created by crying-roses on the same day. The meaning of the colors of the flag was later confirmed to be inspired by the main colours of fire.