I have been trying to use various duping methods and I know that you can turn on piston duping in paper, but according to another thread that I read, it is not possible to turn on end portal based duping. If there is, let me know. May be plugin? I was thinking I could download the world to make it single player (/dl world world) but you can only download one world. I tried to drag the nether download into the over world download, but that did nothing. Is there a way I can download all the worlds into one file or get end portal based duping to work? I would be fine without the nether or end, but I just finished placing 16,731 slabs to spawn proof for a wither skeleton farm, so I need at least the nether. plz help!