My top 3 1. Ranbu No Melody 2. Asterisk 3. D-techno 1- Ranbu no Melody gives me that emotional and intense feel, and it's basically the climax of the Karakura war arc; marks the Final Getsuga Tenshou vs Butterfly Aizen/the end of the Aizen reign. The GOAT Bleach opening IMO. 2- Asterisk is nostalgia. First opening ever of Bleach. 3- Love the techno mix. Showing us who some of the captains were and what strength they possessed and their flashiness.
The very first Bleach intro holds an unbearable amount of nostalgia within my soul. It’s like…I wanna cry and smile. Life for me was so different then.
I'd argue Bleach had the best fillers out of the big 3. Every once in a while Naruto would go in with movie quality animation but every one of Bleach's filler had perfect quality in terms of animation, it's actually wild.