Should also mention the blackened aspect of Ulthar’s music. If the blackened stuff really stands out to you, Spirit Possession is another incredible band with some member overlap with Ulthar that focuses more on this vibe. Some very cool production and unique guitar works - Of the Sign is a must!

I’m bad at recommendations, but when I want a cosmic death-y fix I go to Ulthar. Any album is worth a listen (and look because of the amazing cover art) but Anthronomicon is a personal favourite.