Hello I did a brief test, and i think the difference lies in a creative world vs a survival world. I found that when you generate a creative world, whether you swapped back and forth or not, villagers would refuse to level. If you generate a survival world (with cheats), then you can level up villag...

So several months ago, I tried my hand at BTW while looking for mods to put on a server, but the owner ended up going with FTB instead, and so I focused on that (what a boring mistake). A few days ago, in the quest for finding an interesting mod, BTW was mentioned again. So after watching some video...