Good morning, I am asking to see if it would be possible to allow the building of boss spawner/farms in the LM. As I understand it the LM doesn't get reset like Nether and End do. Building farms can be a highly complex and time consuming task and probably isn't something that could be done on a monthly basis. Since LM is basically a void dimension the harm that could arise from poor builds would be negligible. This would allow those of us at end game stage to build mechanisms to automate resource collections and allow us to focus on other mod progression, building etc.
Most wither farms are actually quite small, and after first set up are fairly quick to tear down and set up. The reason against spawning the wither in overworld, and LM be extension is, if a wither gets loose, it could roam and by chance come upon another players island who decides to build in LM and destroy it. Many people do build their base in there because it is a void world.
I thought mob griefing was off? Also I was thinking more about a Ender Dragon farm, which would be fairly complex
No mob griefing is not turned all the way off through the gamerule command however explosion block damage is disabled through the grief prevention plugin so that's why the wither can still break blocks but creepers do not. And the reason the wither is only allowed in the Nether and runic dungeons is because the Wither can be used as a claim bypass in order to grief someone's base.
I believe in ender dragon farm would actually be possible in the last Millennium I have seen people build them in the Overworld before by using the bees to spawn the Dragon I believe there is a tutorial for it in the tips and tricks section of the forums . However it uses the Arcane bore and the warded glass from thaumcraft so if you haven't already I would start thaumcraft if you are going to build one
I've known of people doing ender dragon farms in the Last Millennium. However, it comes at a price. Every time the dragon is killed, it will still have it's death audio play across the server. This can be annoying for anyone playing with sound on. Just a fair warning before proceeding down that path.
It is limited to worlds which reset because the block damage of withers is enabled in those worlds so you can not just trap the wither and have a easy fight.