Out of the Abyss

Small bodies of water. such as ponds or wells, within

1 mile of the lair turn highly acidic. corroding any ob-

ject that touches them.

Surfaces within 6 miles of the lair are frequently cov-

ered by a thin film of slime, which is s lick and sticks ro

anything that rouches it.

• If a humanoid spends at least 1 hour within 1 mile of
  the lair, that creature must succeed on a DC 18 Wis-
  dom saving throw or descend into a madness deter-
  mined by rhe Madness ofJuiblcx table. A creature that
  succeeds on this saving throw can't be affected by this
  regio11al effect again for 24 hours.
  If Juiblex dies. these effects fade over the course of
  ldlO days.

jUIBLEX
Huge fiend (demon), chaotic evil

Armor Class 18 (natural armor)

Hit Points 350 (28d 12 + 168)

Speed 30ft.

STR

24 (+7)

DEX

10 (+0)

CON

23 (+6)

INT

20 (+5)

Saving Throws Dex +7, Con+ 13, Wis + 12

Skills Perception +12

Damage Resistances cold, fire, lightning

WIS

20 (+5)

CHA

16 (+3)

Damage Immunities poison; bludgeoning, piercing, and

slashing that is nonmagical

Condition Immunities blinded, charmed, deafened, exhaustion,

frightened, grappled, paralyzed, petrified, poisoned, prone,

restrained, s tunned, unconscious

Senses truesight 120ft., passive Perception 22

Languages all, telepathy 120ft.

Challenge 23 (50,000 XP)

Foul. Any creature, other than an ooze, that starts its turn

within 10 feet of Juiblex must succeed on a DC 21 Constitution

saving throw or be poisoned until the start of the creature's

next turn.

Innate Spellcasting. Juiblex's spellcasting ability is Charisma

(spell save DC 18, +1 0 to hit with spell at tacks). )uiblex can

innately cast the following spells, requiring no material

components:

At will: acid splash (17th level), detect magic

3fday each: blight, contagion, gaseous fo rm

Legendary Resistance (3jDay). If Juiblex fails a s aving throw, it

can choose to succeed instead.

Magic Resistance. Juiblex has advantage on saving throws

against spells and other magica l effects.

Magic Weapons. Juiblex's weapon attacks are magical.

MADNESS OF jUIBLEX

If a creature goes mad inJuiblcx·s lair or within line of

sight of the demon lord, roll on the Madness ofJuiblex

table to determine the nature of the madness, which is

a character flaw that lasts until cured. See the Dungeon

Master's Guide for more on madness.

MADNESS OF jUIBLEX

d 100

01 - 20

21-40

41-60

Flaw (lasts unt il c u red)

"I must consume everything I can!"

"I refuse to part with any of my possessions."

"I'll do everything I can to get others to eat and

drink beyond their normal limits."

61 - 80 "I must possess as many material goods as I can."

81-00 "My personality is irrelevant. I am defined by what

I consume."

Regeneration. )uiblex regains 20 hit points at the start of its

turn. If it takes fire or radiant damage, this trait doesn't func·

tion at the start of its next turn. Juiblex dies only if it starts its

turn with 0 hit points and doesn't regenerate.

Spider Climb. Juiblex can climb difficult surfaces, includ·

ing upside down on ceilings, without needing to make an

ability check.

ACTIONS

Mu/tiattack. )uiblex makes three acid lash attacks.

Acid Lash. Melee Weapon Attack: +14 to hit, reach 10ft., one

target. Hit: 21 (4d6 + 7) acid damage. Any creature killed by

this attack is drawn into Juiblex's body, and the corpse is oblit-

erated after 1 minute.

Eject Slime (Recharge 5-6). Juiblex spews out a corrosive slime,

targeting one creature that it can see within 60 feet of it. The

target must make a DC 21 Dexterity saving throw. O n a failure ,

the ta rget takes 55 {lOdlO) acid damage. Unless the target

avoids taking any of this damage, any metal armor worn by the

ta rget takes a permanent - 1 penalty to the AC it o ffers, and any

metal weapon it is carrying or wearing takes a permanent - 1

penalty to damage rolls. The penalty worsens each time a tar·

get is subjected to this effect. If the penalty on an object drops

to -5. the object is destroyed.

LEGENDARY ACTIONS

)uiblex can take 3 legendary actions, choosing from the options

below. Only one legendary action option can be used at a time

and only at th e end of another creature's turn. )uiblex regains

spent legendary actions at the start of its turn.

Acid Splash. Juiblex casts acid splash.

Attack. )uiblex makes one acid lash attack.

Corrupting Touch (Costs 2 Actions). Melee Weapon Attack: +1 4

to hit, reach 10ft. , one creature. Hit: 21 (4d6 + 7) poison

damage, and the target is s limed. Until the slime is scraped

off with an action, the target is poisoned, and any creature,

other than an ooze, is poisoned while within 10 feet of

the target.

APPI:.KDIX 0 OE.\10~ l.ORDS

2.J3