uesp:“So… once again the Key has been stolen and a “champion” returns it to the Sepulcher… See to
uesp: “So… once again the Key has been stolen and a “champion” returns it to the Sepulcher… See to it the Key stays this time, won’t you?“–Nocturnal, imploring you ensure the Skeleton Key is not stolen again after you return it to the Twilight Sepulcher. -- source link