No need firecracker to defeat this bull, just spin her at the wall and just THRUST attack his head not the body.. it will do a ton of damage to his posture bar..
Watching this on my way to school and I'm so angry at the fact that people call blazing bull "easy" I beat the game and blazing bull took me more tries than inner Genichiro, prime isshin, and a multitude of other endgame bosses 💀 Then I ended up skipping him because I simply couldn't do it even with max stats lol