So I made some big changes to the Jutsu collector base class. You can find it here: https://narutopathfinder.fandom.com/wiki/Jutsu_Collector
I found it wasn’t dynamic enough and didn’t have the combat skills required to keep up with the other classes. But at the same time I still really loved some of the flavourful roleplaying and worldbuilding abilities, which led to me creating an archetype for it here: https://narutopathfinder.fandom.com/wiki/Jutsu_Professor