Poisonous death

Exploration Stage: City Hall
From: Conductor
Description: Aren't you afraid to deal with such horrible items? Very well, I'll tell you about Alexander Borgia's bloodstained pendant. When he was Pope he coated the pendant with poison and fave it to one of his cardinals. When the cardinal died all his treasures went to the Pope along with the pendant. Alexander was sorting out the treasure when, blineded by his greed, he picked up the pendant and died the same horrible death. Now you know, you can see the pendant through any sort of magical veil.
Completed: Bracelet, brooch, earrings, hairpin and pendant. We've obtaied the last item and the diadem should point us to the murderer. Who poisoned the man living near the old factory? Soon we'll know.