Sandboxes are not to be used to create permanent articles; they are, as noted, for drafting content that one intends to put in a "real" article. Given that the Darth Wiki namespace acts as a sort of sandbox for articles on Unpublished Works anyway, I would consider someone using the Sandbox namespace for that purpose to be violating the rules at least in spirit.
"It's Occam's Shuriken! If the answer is elusive, never rule out ninjas!"Hello,
I am wondering on how to make more than one sandbox page for my Troper page. I know that this troper named "N3xus" has 3 sandbox page and his own Troper page, while the only reason why I have only 2 sandbox pages is because RJ-CLOVIS-93 help make them for me, and its only to moving in other parts of my Trope Pantheon Pending works.
Anyone can make a Sandbox page with any title. You aren't limited by your troper page's name. That said, if you have a lot of sandbox pages, we start to wonder what you're using them for.
"It's Occam's Shuriken! If the answer is elusive, never rule out ninjas!"

Is this a wrong use of sandboxes, or a Loophole Abuse (since no-one has done it yet?)
Creating a page for Unpublished Works in Sandbox.Page Title as Name Of Work treating it as if it were a main article.
I haven't actually created such a page but am checking to ensure the rules aren't broken.