Board Thread:General Discussion/@comment-172.248.34.64-20130915221347/@comment-10207438-20130915222300

Sky Above,Voice Within wrote: Uh, the Black Star can only hold black souls; not the two types of soul. actually that's wrong, it can hold both.

and besides, if it's empty and you fill it with the wrong soul size you can easily fix that by using it on an enchanted weapon; it should always contain a grand size soul, they're the easiest to get and they go straight for the black star.