𝕀𝕟𝕔𝕖𝕟𝕕𝕚𝕒𝕣𝕪

In·cen·di·ar·y
/inˈsendēˌerē/
adjective
(of a device or attack) designed to cause fires.

Ex: A 𝙋𝙝𝙤𝙚𝙣𝙞𝙭 rising in the ashes of her enemies