The link for veinminer: https://minecraft.curseforge.com/projects/veinminer/files?filter-game-version=2020709689:444 The reason for you to add it is because in must mods in voidpack you need veinminer like when your hammering cobble stone, gravel and sand and when your breaking down gravel ore to sand ore to dust ore. It also makes to easier and less time consuming than doing one block at a time. Also it was in the modpack and then removed.