Board Thread:Lore Discussion/@comment-71.226.242.68-20131113201112/@comment-38699406-20190303203042

Theoretically it's possible.

1. You see that even an avatar of weakend aedra, can pretty much banish powerful daedric prince. While they aren't in their peak strength in mundus, in the case of Mehrones Dagon, he was pretty powerful, once he set foot on Nirn.

2. While it is mostly hinted, Aedras before being bound to Mundus were way more powerful than the DPs. Given the fact that the Daedras "spiritual essence" is Padomaic, they can only change / manipulate things already exists, they don't have power to destroy or create something completely new like the Aedra who are mostly Anuic in nature. Akatosh for example has created time. Alduin is a destroyer of worlds, means he is Anuic.

3. Once someone achieves CHIM he becomes on par with an Aedra before its weakend stasis, and can manipulate anything in Aurbis, including Daedric Oblivion Planes. Let alone if anyone can achieve Amaranth, they can squash DPs like it was a skeever. All mortals has the theoretical abillity to achieve this, since they are of both Anuic and Padomaic "source". And not all Padomaic qualities are inherently weak or evil. The most worshiped Daedras are Shezzar / Shor / Lorkhan, Azura and Meridia, which are not considered evil by most mortals, and they are part of the pantheons along with the Nine Divines, Magnus and other local racial hero-gods.

So someone, even being a mortal in his past, can theoretically destroy Daedric princes out of existence.