I got to thinking because marcel told declan he promised to make new orleans free of vampires, this technically meant he had to move auroras coffin body so this means its under the protection of someone new, rebekah maybe, idk.
Again you can chalk this up to answer we'll never get. Okay maybe its not impossible we'll never find out where aurora ended up but its like 99.9% unlikely. Im under the assumption the idiot characters actually still think luciens formula still remains in her and if she dies, she is awakened as the beast. Or they believe because she made cami into a vampire which led to lucien giving her a slow death, that is worth a punishment of that caliber. Which I find highly hypocritical.