It's cool seeing that this site is still kicking.
I'm aware this thread is familiar with this, but the stun animations from Odin Sphere are too good, made these gifs from searching youtube.
Other interesting stuff:
Tales Of Destiny gifs below were also made from super long youtube videos
Attached 2 SAO:MD stuns, found out the parry training area allows for infinite HP, meaning endless Guard Breaks too. But as usual, they are wireframes based on the character's weapon class.
Touhou 14.5 (Urban Legend in Limbo), Kasen stun (with stars), doing a stun combo after the enemy's spell break actually gives a (pretty much) perfect stun animation cycle, Neat.
Regarding Touhou, found some doujin game dev clips on twitter with some silly dizzy/stun animations, and considering this doujin artist makes content leaning more towards the NSFW side of things, all their art is pretty nice either way:
(Mayumi, attack break, halfway through video)
(
wrestler?! Yuyuko, stun at 1:10)
Along the lines of doujin games, 'Alice in Cradle' is original and not related to anything as far as I'm aware, and is a ryona game.
I think it has been covered by a ryona channel on youtube before, however, overlooking it for a while because it was highly focussed on worms and slime vore, which isn't quite my thing; I didn't realise the game had a stun (piyori) animation:
(attached a gif version below)
In the game, it's basically a shield break. The artist also mentions inspiration from Smash Bros, which is pretty cool.
(just softcore ryona art of the main character, by another ryona artist)
(who also happens to occasionally draw dazed expressions with stars)
-last few stuff I found on twitter
https://twitter.com/endoumouja/status/1102537428106014722?s=20
("piyoboku", is apparently a tag for boxing+piyori related scenarios)
https://twitter.com/_himeshaga/status/1117747149985333249?s=20
(very nice Senran Kagura finisher art, I'm pretty sure I'm right to assume everyone here likes Senran Kagura)
As you can tell, I've come to resort to digging through twitter work, and there's some pretty good stuff overall. Youtube seems to be lacking at the minute (imo), but I guess everyone's just waiting for more good stuff to come out.
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Knights Chronicles has added more female characters, all of them so far seem to have unique stuns too, no wireframes from what I know. Luckily I've basically rolled all the characters already, I've just been too lazy to record them. oops.
Also have plenty of Grimms Echoes and Sangoku Bassa stun clips to make into gifs, but again, same reason why I haven't yet done so, though, they're basically all wireframes anyway.
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Just realised this post is very exotic, just to make it more interesting, here's a cute gif/icon of the main character from Slime Rancher that shows above a help/tip if you lose all your HP: