OSWIN AND YAMA THE WHITE DON'T GIVE THEIR TWO PASSIVE POINTS!!

THIS IS THE SECOND BOSS I'VE FOUGHT AND KILLED THAT DIDN'T DROP THEIR TWO PASSIVE POINTS ITEM ON MY CHRONOMANCER.. THIS IS GETTING VERY, VERY, VERY FRUSTRATING.. GGG PLEASE FIX THIS! THE PASSIVE TREE IS TOO IMPORTANT FOR THIS KIND OF BUG TO LINGER!