I have been doing bounties for the queen and reporting to Petra but I can't seem to find any prison keys for the chests
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Dang hope you get one. I k ow I did a Petra bounty the other day and it gave me a key. I don't know if PoE chests still do it, but when HoW dropped I got an exotic on each of my toons from hitting the big chest for the first time. It was pretty awesome. That day I picked up my 6th Ghorn, 5th Suros and a 2nd Armentarium( Titan chest, however you spell it).