More importantly, they can make an encounter unique. A party of heroes can only go so long bashing skeletons and zombies before they get tired of it. Some of these creatures may be the strongest undead monsters to roam the land but they also add flavor to a dungeon. RELATED: 5 D&D Monsters Iron Man Could Destroy (5 That Would Beat Him) The only exception being an evil party, but even then that party would likely find a use for them in their own dungeons. They boast some of the strongest creatures that exist in D&D and adventurers would have a hard time raising moral qualms about eliminating them. In Dungeons and Dragons, few creatures beat the undead when it comes to both power and being genuinely evil.