Alhoon 11
Allip 17
Banshee 22
Beholder Zombie 19 - 2 = 17 (This just another Zombie, or there should be Dog Zombies, Cat Zombies, Purple Worm Zombies, Dragon Zombie, Gnome Paladin Zombies with Rapiers, the list is endless)
Bodak 20
Bone Naga 20
Boneclaw 20
Crawling Claw 18
Death Knight 23
Death Tyrant 20
Deathlock 20
Demilich 20
Dracolich 21
Eidolon 20
Flameskull 20
Ghast 20
Ghost 21
Ghoul 21 + 1 = 22 (Classic scary undead always like running them)
Gnoll (Witherling) 17
Lich 23
Mind Flayer Lich 17
Minotaur skeleton 21
Mummy 20
Mummy Lord 20
Nightwalker 20
Ogre Zombie 20
Poltergeist 14
Revenant 20
Shadow 20
Skeleton 22
Skull Lord 20
Spawn of Kyuss 22
Specter 20
Sword Wraith 14
Vampire 22
Vampire Spawn 20
Vampiric Mist 20
Warhorse Skeleton 8
Wight 20
Wraith 21
Zombie 17