Originally Posted by Abhorsen

i think Kurosaki Isshin used to be a captain or even greater. the bleach wikia also talks about this.



and he did use his sword against Grand Fisher btw. it just seemed like he didnt. its known the size of a zanpaktou doesn't really matter (lol ) and can easily cut something much bigger if they want to and isshin seems to controll that power very well if u look how he cut down that arancar