MarilithCR 16 · Large Fiend · Stat Block & Encounter Builder

Large fiend, Challenge 16. AC 18, 189 hit points.

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Armour Class

Hit Points

189

Speed

40 ft.

Challenge

16 · 15,000 XP

Alignment

Chaotic Evil

The card

Stat Block

Large Fiend · Chaotic Evil

Marilith

189

18d10 + 90 · 40 ft. · AC from natural armor

Truesight 120 ft., passive Perception 13

Languages: Abyssal, telepathy 120 ft.

STR	DEX	CON	INT	WIS	CHA
18 (+4)	20 (+5)	20 (+5)	18 (+4)	16 (+3)	20 (+5)

Traits

Damage ResistancesCold, fire, lightning, bludgeoning, piercing, and slashing from nonmagical weapons

Damage ImmunitiesPoison

Condition ImmunitiesPoisoned

Magic ResistanceThe marilith has advantage on saving throws against spells and other magical effects.

Magic WeaponsThe marilith's weapon attacks are magical.

ReactiveThe marilith can take one reaction on every turn in combat.

Actions

MultiattackThe marilith can make seven attacks: six with its longswords and one with its tail.

LongswordMelee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) slashing damage.

TailMelee Weapon Attack: +9 to hit, reach 10 ft., one creature. Hit: 15 (2d10 + 4) bludgeoning damage. If the target is Medium or smaller, it is grappled (escape DC 19). Until this grapple ends, the target is restrained, the marilith can automatically hit the target with its tail, and the marilith can't make tail attacks against other targets.

TeleportThe marilith magically teleports, along with any equipment it is wearing or carrying, up to 120 feet to an unoccupied space it can see.

How to actually run it

Tactics

The stat block tells you what it can do. This tells you what to do with it.

1Multiattack: The marilith can make seven attacks: six with its longswords and one with its tail.

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Encounter Difficulty

Encounter Builder

How bad is this fight?

Real DMG maths — XP thresholds by level, and the group multiplier that makes crowds so much worse than the raw total suggests.

Mariliths4Party size4Party level3

Could kill someone — and at high enough numbers, the whole party.

Difficulty

Deadly

120,000 adj. XP · ×2

deadly at 1,600

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Counsel

Marilith, Answered

What is Marilith's challenge rating in D&D 5e?

Marilith is Challenge 16, worth 15,000 XP. Encounter maths multiplies XP by the number of monsters, so a group is deadlier than the raw total — use the calculator on this page.

What are Marilith's stats?

AC 18 (natural armor), 189 hit points (18d10 + 90), speed 40 ft.. Ability scores: STR 18, DEX 20, CON 20, INT 18, WIS 16, CHA 20.

What is Marilith resistant to?

Marilith is immune to poison damage, and resistant to cold, fire, lightning and bludgeoning, piercing, and slashing from nonmagical weapons. Pick a damage type it does not shrug off.

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