Daechir
Skeletron Prime
I actually noticed that the Lunatic Cultist would drop Stardust Dragon Staff's every time I killed them. ..... Maybe the wrong item id is set to drop...? Like the id for the staff is set instead of the id for the Doomsday sword? That's just my guess. Hope it's helpful!I saw there was another person that asked about it, and Gnom said it was a 100% chance to drop from the lunatic cultist, and the guy said he couldn't get it from them. I'm having the same problem. I've killed them multiple times, but it just wont seem to drop. I'll keep at it.