Well done! I can’t suggest any changes that would really improve it.
(Though I actually like the word ‘crowing’ there, as a reference to the pridefulness we too often indulge.)
Throne of Storm and Glass
…hmm, maybe…knock it together a little…
Throne of Stormglass
…almost there…flip it like a pancake…
The Stormglass Throne
While this website https://www.fantasynamegenerators.com/ has a heavy focus on real-world and fantasy settings, there are several SF name generators (and a ton of other types of name generators) scattered throughout.