No, necromancy is not a normal part of the DungeonVerse, it is actively bad and vigorously opposed by all powers that be, and for a good reason

Also known as lemures or ghouls, Mage Eaters are a thankfully rare entities

The People of the pocket realm of Brocschtal are simple folk who live as they have for thousands of years. Farming the land, raising sheep, getting in the occasional brawl. And fighting off the infernal attacks of ghouls.