urgent help please with this sentence

[Unregistered]

once again witnessed one of it star assets snatched away before them only to return as antediluvian has-been

I am writing an article is it okay to use antediluvian has-been togather in this sentnece does it make sense if not can you recommend something else.

[Anglika]

Once again witnessed one of it star assets snatched away before them, only to return as an antediluvian has-been.

I am writing an article. Is it okay to use antediluvian has-been together in this sentenece? Does it make sense? If not, can you recommend something else?

You can use the words together. Whether the phrase makes sense depends on the context of your article. I hope you will be using punctuation in it!