Death Knight

When a paladin that falls from grace dies without seeking atonement, dark powers can transform the once-mortal knight into a hateful undead creature. A death knight is a skeletal warrior clad in plate armor. Beneath its helmet, one can see the knight's skull with malevolent pinpoints of light burning in its eye sockets.
Eldritch Power The death knight retains the ability to cast divine spells, but no death knight can use its magic to heal. It also attracts and commands lesser un­dead, although death knights that serve powerful fiends might have fiendish followers instead. Death knights of­ten use warhorse skeletons and nightmares as mounts.
Immortal Until Redeemed A death knight can arise anew even after it has been destroyed. Only when it atones for a life of wickedness or finds redemption can it finally escape its undead purgatory and truly perish.
Undead Nature A death knight doesn't require air, food, drink, or sleep.
Lord Soth Lord Soth began his fall from grace with an act of heroism, saving an elf named Isolde from an ogre. Soth and Isolde fell in love, but Soth was already married. He had a servant dispose of his wife and was charged with murder, but fled with Isolde. When his castle fell under siege, he prayed for guidance and was told that he must atone for his misdeeds by completing a quest, but growing fears about Isolde's fidelity caused him to abandon his quest. Because his mission was not accomplished, a great cataclysm swept the land. When Isolde gave birth to a son, Soth refused to believe that the child was his and slew them both. All were incinerated in a fire that swept through the castle, yet Soth would find no rest in death, becoming a death knight.

Death Knight

When a paladin that falls from grace dies without seeking atonement, dark powers can transform the once-mortal knight into a hateful undead creature. A death knight is a skeletal warrior clad in plate armor. Beneath its helmet, one can see the knight's skull with malevolent pinpoints of light burning in its eye sockets.

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Armor Class	20 (plate, shield)
Hit Points	19d8+95
Speed	30 ft.
Strength	20 (+S)
Dexterity	11 (+0)
Constitution	20 (+S)
Intelligence	12 {+1)
Wisdom	16 (+3)
Charisma	18 (+4)
Saving Throws	Dexterity d20+6	Wisdom d20+9	Charisma d20+10
Damage Immunities	Necrotic	Poison
Condition Immunities	Exhaustion	Frightened	Poisoned
Senses	Darkvision 120 ft.	Passive Perception 13
Languages	Abyssal	Common
Challenge	17 (18,000 XP)
Special 1	Magic Resistance	The death knight has advantage on saving throws	against spells and other magical effects
Special 2	Marshal Undead	Unless the death knight is incapacitated,	it and undead creatures of its choice within 60 feet of it
have advantage on saving throws	against features that turn undead
Special 3	Spellcasting	The death knight is a 19th-level spellcaster.	Its spellcasting ability is Charisma (spell save DC 18,
d20+10 to hit with spell attacks).	It has the following paladin spells prepared
Spells 1	1st level (4 slots)	Command	Compelled duel
Searing smite
Spells 2	2nd level (3 slots)	Hold person	Magic weapon
Spells 3	3rd level (3 slots)	Dispel magic	Elemental weapon
Spells 4	4th level (3 slots)	Banishment	Staggering smite
Spells 5	5th level (2 slots)	Destructive wave (necrotic)
Action 1	Multiattack	The death knight makes three longsword attacks
Action 2	Longsword	Melee Weapon Attack	d20+11 to hit
Reach 5 ft., one target	Hit 1d8+5 slashing damage,	or 1d10+5 slashing damage	if used with two hands,
plus 4d8 necrotic damage
Action 3	Hellfire Orb (1/Day)	The death knight hurls a magical ball of fire	that explodes at a point it can see within 120 feet of it.
Each creature in a 20-foot-radius sphere centered on that	point must make a DC 18 Dexterity saving throw.	The sphere spreads around corners.	A creature takes 10d6 fire damage
and 10d6 necrotic damage on a failed save,	or half as much damage on a successful one
Reaction	Parry	The death knight adds 6 to its	AC against one melee attack that would hit it.
To do so, the death knight must see the	attacker and be wielding a melee weapon