What is the beat that is in bleach episode 144?!
Question: when ishida goes after one of those arankara ?
Answers: when ishida goes after one of those arankara ?
If you're talking about the opening song, it's called After Dark by Asian Kung-Fu Generation.
If you're talking about the background music playing at that scene, then I think it's Shadow's Masquerade. You're sorta vague though so I'm not sure if Shadow's Masaquerade is the one you're looking for.