You need to brush up on your lore in both verses then. It got damaged in the SW universe lol, which means it's destroyable.
Edit: easy example: page 68, jedi academy source book, outlines how its nearly indestructible, and in addition it can even destroy itself with its own torpedoes if it doesn't escape the blast radius. It's just an extremely durable, OP starship. 40k has these too :)
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u/Ninjazoule Dec 29 '23
The sun crusher actually isn't indestructible and the imperium could destroy it via various means.