There were many different types of monsters and races under the term undead. Vampires were technically undead as well. However, vampires weren’t treated as monsters because they had intelligence and reason. Instead, they were considered a race or high-ranking nobles belonging to the undead. And the biggest reason why vampires were considered a ‘race’ was because most undead possessed no threat to vampires. As such, whenever undead monsters were discovered in a place, vampires often took care of the issue instead of humans, orcs, or elves. When faced with the same enemy, other races might suffer a damage of 10, while vampires would only take 1 or 2 damage to wipe out the undead monsters.

However, it was a different story if the enemy was a lich or a death knight. Liches and death knights differed from regular undead. They were born from an artificial power of magic containing evil energy, while regular undead was usually born from naturally formed deposits of death energy due to wars or diseases.

As such, vampires didn’t possess a natural advantage against ghouls or skeletons, which were created by a death knight. Vampires had no choice but to deal with them with their strength alone.

In the case of ghouls, they possessed physical power and abilities...