I have a theory that Talos is not in fact an aedra but a daedra and for those of you who say it is impossible sheogorath was not an original daedra so it is possible the most said things are that if you pray at shrines you get blessings and one of these occurrences are when you pray at the shrine of nocturnal in the cistern of the thieves guild which gives you a blessing and as for planes of oblivion in this case it would be sovngarde and for the question as to how he became a daedra his blood and armor were used by the champion of cyrodil though this was not enough the amulet of kings was thought to be destroyed when Martin septum sacrificed himself to defeat mehrunes dagon if in this instance the amulet of kings contained blood taken directly from the heart of akatosh the chief deity of the divines which I'm sure is payment enough to the daedra and as we all know Talos had the soul of a dragon so he could use the amulet of kings so what if he took it before the daedra could use it at all and he defeated them all with the new power he'd been given and as you all know you can only defeat a daedra on they're own plane of oblivion and it is said that the brass tower numidium could travel between the planes of oblivion and with this power Talos could become one of the most powerful daedra with his plane of oblivion know as sovngarde where he had given a safe haven to the nords of tamriel in the afterlife I have another theory that isn't as factual but what if the divines themselves think Talos is an aedra what if he beat the daedra into submission and they swore fealty to Talos and didn't speak of him being in actuality a daedra but stuck by the claim of him being aedra so he would have a larger following than most daedra but there are no artifacts as of yet belonging to an unknown daedric prince that's all I have to say any constructive feedback would be appreciated

Neither, if we're being technical.

He mantled an Aedra, therefor he is an Aedra.

He may have been mantled as an aedra but what if he is a daedra and for all we know he could be amassing an army of nords who all have something against elves because of the Great War what if Tiber septum wants to make another war

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