Hi, while doing the class transfer quest for the Dark Wizard, I noticed that the Skeleton Scouts wasn't dropping his quest item.
Shortly before I gave up, one of the 3 items dropped.
So I googled a bit for "heart of lunacy", and immediately found results, which ironically led back to the l2classic forum - where there have been multiple threads
I killed a total of 50 Skeleton Scouts to obtain 3 items. So I'm guessing the drop rate is somewhere around 6%
20 Scouts - first drop (all scouts were oneshot overkilled)
20 Scouts - second drop - with a weaker weapon (2~3 Shots to kill)
10 Scout - back to first weapon
So this shouldn't be a "oneshot" problem as some threads have hinted at.
SInce I've done this quest on a lot of private servers, and even the official server back in the day - either I got lucky every single time, or the drop rate is bugged/too low over here.