as far as i remember it was 12h+6h however some bosses had different data such as all of the non-altar ketra and varka bosses and then lian and gwindorr.
https://4gameforum.com/showthread.ph...ll=1#post96737 this is how it was when rb's were changed first time to give increased exp and i think it hasn't changed since then. it would be nice to get info from staff though since the info i quoted is pretty old
