new villianess manhwa/completed isekai stories/action manhwa

I've been getting bored waiting for the other site to get back and work and that's like my go-to for these kinda stories and like I've seen most like those manhwa and stuff already but I need some hidden gems...and I recently started reading the action/gaming-like stories like solo leveling, return of the frost hero, reincarnated doctor, sss-class suicide hunter and woowww I really like them so I want more like that...but no harem. Or some recs on completed isekai stories would be really good because I can just binge them in one go...oh! I've read the new villianess/historical stories but there might be some gems that I miss so the recs on them would be great too.... mannn I'm really addicted to reading these type of stories and its mental illness innit?