Ferrous Bleed (Japanese: フェリアス・ブリード Romaji: feriasu burīdo; also translated as Ferious Breed(CPM) or Furious Breed) is a summoning spell. Most sources categorize it into black magic (although these very sources describe the spell's original function incorrectly), while others categorize it as an astral shamanistic spell In episode 2 of Slayers REVOLUTION, Lina casts Ferrous Bleed to summon a flock of angry birds to attack Pokota.