And I would like a new system with Daedric artifacts.
It will only make sense if the mobs in regular locations are significantly strengthened, and the lairs and open dungeons are also more difficult. Right now, only some final bosses of the DLC open dungeons are difficult.
For example, you can make one-shot traps, and not like now, that they only take away a little health.
Well, here it is. You go through a story chain of quests, and get access to a daily quest, passing which you get a Daedric artifact for your use for a while (for about 1 hour), be it an ebony sword, a spear of bitter mercy, or Umbra. It's like in Craglorn: you kill a pack of mobs with a boss at the end, and get access to a fountain that gives you a buff.
Having a Daedric artifact will give you an additional skill branch, as is the case with the Emperor's skill, for example.
After an hour, the artifact is sent back to oblivion.
But, as I said, these artifacts will not make sense now, because the lairs and open dungeons are easy to pass. We need to increase their difficulty, increase it significantly, and this is not about damage and health of mobs.
You can make a limit of 1 artifact in a group.
About quests: you can make mini-games where, for example, you need to run away or hide from Uncle Hircine, so as not to become prey.

This can be hiding in the bushes or turning into a sheep in sheep's clothing and hiding among the sheep, and Hircine will look for the real one. If you hold out for a certain time, Hircine will reward you with his spear.
Another option is a quest with Vermina and Namira.

In the quest from Vermina, you need to get out of the nightmare, overcoming bottomless abysses and one-shot horror monsters, solving riddles like distinguishing an illusion from the real one, and finally finding a way out of the labyrinth. If you don't make it in time, or you get caught, you lose and have to start over.
If you successfully complete it, Vermina will give you her skull of corruption.
In the quest from Namira, you will need to penetrate people's houses and manage to put out their light sources in a certain amount of time, as well as make a sacrifice.

As a reward, you will receive either a dark heart, which grants the power of Dromatr, or some other Dromatr artifact that has not yet existed.
❝A seed is invisible in the ground, but only from it grows a huge tree. Just as invisible is a thought, but only from a thought grow the greatest events of human life.❞
Achievement points 48.250