When a corrupted paladin dies without making amends for his or her misdeeds, he or she may be raised as a death knight, an undead warrior that retains a tenuous connection to its former divine link. Like all undead, death knights are motivated by compulsion rather than survival.
What kind of compulsion might drive a former paladin, particularly one who strayed from the path of good? One leaps out at me as so obvious that it hardly seems worth considering any other: the desire to punish. Punish whom, for what? Does it matter?
The death knight is a brute, with extraordinary Strength and Constitution and a large reservoir of hit points, but not an unthinking one: all its mental ability scores are above average, and its Charisma in particular is exceptional. It has proficiency on Dexterity and Wisdom saving throws, two of the “big three,” plus advantage on spells saves in general from Magic Resistance. It’s immune to necrotic and poison damage and can’t be poisoned, exhausted or frightened. It doesn’t possess any resistance or immunity to physical damage from normal weapons, however. (more…)