Elpis braces for impact

So what’s that big hunk of space rock flying through the air? Based on the markings it appears to be Elpis, Pandora’s moon. When Pandora is revealed to to be the Great Vault, and Elpis its key, the moon threatens to tear the planet apart, forcing Lilith to sacrifice herself to keep it away at the end of Borderlands 3. It seems like what she’s done for Borderlands 4 is teleport the whole thing somewhere else, at which point it begins crashing into something. But what?