So i was helping my friend last night get the rest of the fragments. All she needed was the two in the regicide mission. So we played through it and i noticed one of the taken ultras was wearing this exotic. Its the part where there are two taken bosses at once. They didn't just look a little similar, they look the EXACT same so theres no doubt in my mind that this exotic is related to this mission. They even keep their colour instead of looking "taken." Here's a screenshot and the link to the armory: https://www.bungie.net/en/Armory/Detail?type=item&item=155374076&itemname=Thagomizers http://xboxclips.com/lntimidating/screenshots/5bab9eec-0a93-4afc-9db9-3829af337dec So what the thagomizers do is make your fist of havoc kills recharge your storm fist and storm fist kills recharge your fist of havoc. So what i tried so far (i don't have them yet) was to kill the ogre with storm fist then kill the centurion with fist of havoc. Nothing. Of course i did this on the hardest difficulty and without dying. I also tried getting both bosses to low and killing them with FoH at the same time. I'm not sure if i did this properly though because a goblin shielded the centurion at the last second so he ended up dying from aftermath. I didn't have much time to experiment as I'm at work now so if other people can try some stuff out and report here that would be cool. Here are some possible theories, all on the hardest difficulty and without dying: -Kill both bosses with one fist of havoc -Kill the centurion with a storm fist followed up by FoH -3oC farm the centurion for exotic gloves -Do option 1 or 2 and complete the rest of the mission -Wait until regicide is the daily heroic and try option 1 2 or 4