Lich

Medium undead, any evil alignment

Armor Class

17 (natural armor)

Hit Points

135 (18d8 + 54)

Speed

30 ft.

Saving Throws

Con +10, Int +12, Wis +9

Skills

Arcana +18, History +12, Insight +9, Perception +9

Damage Resistances

cold, lightning, necrotic

Damage Immunities

poison; bludgeoning, piercing, and slashing from nonmagical attacks

Condition Immunities

charmed, exhaustion, frightened, paralyzed, poisoned

Senses

truesight 120 ft., passive Perception 19

Languages

Common plus up to five other languages

Challenge

21 (33,000 XP)

Legendary Resistance (3/Day).

If the lich fails a saving throw, it can choose to succeed instead.

Rejuvenation.

If it has a phylactery, a destroyed lich gains a new body in 1d10 days, regaining all its hit points and becoming active again. The new body appears within 5 feet of the phylactery.

Spellcasting.

The lich is an 18th窶人evel spellcaster. Its spellcasting ability is Intelligence (spell save DC 20, +12 to hit with spell attacks). The lich has the following wizard spells prepared:

Cantrips (at will):

mage hand, prestidigitation, ray of frost

1st level (4 slots):

detect magic, magic missile, shield, thunderwave

2nd level (3 slots):

acid arrow, detect thoughts, invisibility, mirror image

3rd level (3 slots):

animate dead, counterspell, dispel magic, fireball

4th level (3 slots):

blight, dimension door

5th level (3 slots):

cloudkill, scrying

6th level (1 slot):

disintegrate, globe of invulnerability

7th level (1 slot):

finger of death, plane shift

8th level (1 slot):

dominate monster, power word stun

9th level (1 slot):

power word kill

Turn Resistance.

The lich has advantage on saving throws against any effect that turns undead.

Actions

Paralyzing Touch.

Melee Spell Attack: +12 to hit, reach 5 ft., one creature. Hit: 10 (3d6) cold damage. The target must succeed on a DC 18 Constitution saving throw or be paralyzed for 1 minute. The target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.

Legendary Actions

The lich can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature窶冱 turn. The lich regains spent legendary actions at the start of its turn.

Cantrip.

The lich casts a cantrip.

Paralyzing Touch (Costs 2 Actions).

The lich uses its Paralyzing Touch.

Frightening Gaze (Costs 2 Actions).

The lich fixes its gaze on one creature it can see within 10 feet of it. The target must succeed on a DC 18 Wisdom saving throw against this magic or become frightened for 1 minute. The frightened target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a target窶冱 saving throw is successful or the effect ends for it, the target is immune to the lich窶冱 gaze for the next 24 hours.

Disrupt Life (Costs 3 Actions).

Each non-undead creature within 20 feet of the lich must make a DC 18 Constitution saving throw against this magic, taking 21 (6d6) necrotic damage on a failed save, or half as much damage on a successful one.