Shouldn't be surprised that a lot of older Artifacts are undertuned by modern standards, or in some cases they were never good to begin with.
So I thought it would be fun to imagine how they would be if they were brought up to modern standards. Whether from damage, of QoL, or both.
Granted I'm not a TCer who is in the weeds about exactly how these will calc out, so this is like half vibes based and half comparing it to the stat gains from never sets.
Let me know if I undershot or overshot some of these.
Only Mondstadt sets for now, may get to the Liyue ones and maybe the rest.

When I was first reading it. I thought what can you even change about these.
But then I read the small changes in increasing time of some of the effects and other things, really make them better.
I liked Blizzard Strayer the most here. That will make that set from a Freeze Set to a general Cryo Character set that might be useful in melt as well.
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I can't read any of them, it seems the image isn't loading properly in my phone.
Ah, seems mobile screws it up and this sub not allowing multiple images doesn’t help.
Here’s a link to my post on the official sub.
https://www.reddit.com/r/Genshin_Impact/s/QC9alwNeSz
Link to post with clearer images for those on mobile.
https://www.reddit.com/r/Genshin_Impact/s/QC9alwNeSz
You forgot noblesse, and 20s is asolutely cracked for vv. Also BS is not balanced with FotDG.
Noblesse is actually from a Liyue domain, so I’ll get to it in a round 2.
20s is really good for sure, but also depends on content, VV is still a bit held back in that is a debuff, so that 20s isn’t really helping in wave content and I’d say the ease of use against bosses ain’t breaking anything. If this game can justify 20s Cinder City, 20s VV isn’t breaking bank.
Plus most of the best VV users already have some other shorter duration buff they need to refresh.
technically, so are ToTM and PF, but yeah I didn't remember the title and got confused.
https://preview.redd.it/a0hgjbozat9g1.png?width=257&format=png&auto=webp&s=4ea43cc438509594f577c06b66f7ad7be4b8c4ef
Looking forward to the rest of liyue's artifacts.
Lavawalker, Thundershoother and heart of the deep can just ignore defense, LV and TS ignore 30% of defense in enemies with pyro and electro aura respecteable and HtD make hydro damage ignore 30% defense of enemies for 10s after cast a skill
Problem I find with any effect based on enemies having an aura, you have to be very particular with application rates to make if work otherwise aura apply and disappear way too fast to make use of it. Hence why I made Thundersoother buff based. But defense ignore isn’t a bad idea.
Blizzard Strayer seems a little unbalanced but I like the rest of them
Blizzard Strayer is just the current effect except it actually works on bosses. Basically just makes it the Maruchassee Hunter or Obsidian of Freeze teams. Well also working off field.
The current Freeze teams DPS can already run Maruchassee cause they all include Furina. Otherwise your Cryo unit probably isn’t being used for Freeze.