As the son of Satan, Rin Okumura has unfortunately inherited the unique blue flames of his father that make him a target for fellow Demons and Knights alike. These flames aren't used an insane amount of times, as they usually serve as the backdrop for Rin's battles, but they are still a part of him, and he can manipulate them at will.
Superpowers and anime go together like cereal and milk, and fans never seem to tire of it. The way these powers manifest is always different, whether its Quirks, Stands, or Devil Fruits; however, one power that routinely comes up and is always powerful is the ability to control fire.
Matatabi is a giant sentient cat creature made up entirely of chakra, and her entire body is comprised of blue flames. It is thanks to Matatabi that Yugito produces blue flames whenever she uses a Fire-Style Jutsu. 6 Starjun Uses His Blue Flames For Fighting & Cooking (Toriko)
Blue fire is a real thing, and in anime, it always burns hotter than ordinary fire. It is true that quite a few anime characters can manipulate fire, but only a small handful can use the blue variant.
Carol Dahlmann enlists the Hollister brothers to help locate her missing husband. The husband was tracking a fallen satellite through the jungle. While tracking him down, the trio discover an unusually strong acid killing animals and people. — Ray Hamel <[email protected]>
It was released in the US on April 2, 1958 by United Artists as a double feature with The Return of Dracula (1958).