Medium fiend (demon, shapechanger), Chaotic Evil
| Armor Class | 15 (natural armor) |
|---|---|
| Hit Points | 136 (16d8 + 64) |
| Speed | 30 ft., climb 30 ft. |
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
| 15 (+2) | 14 (+2) | 18 (+4) | 13 (+1) | 15 (+2) | 15 (+2) |
| Saving Throws | Cha +6, Dex +6, Int +5, Wis +6 |
|---|---|
| Skills | Deception +10, Insight +6 |
| Damage Vulnerabilities | — |
| Damage Resistances | cold; fire; lightning; bludgeoning, piercing, slashing from nonmagical attacks |
| Damage Immunities | poison |
| Condition Immunities | poisoned |
| Senses | darkvision 120 ft., passive Perception 12 |
| Languages | Abyssal, Elvish, Undercommon |
| Challenge | 10 |
The yochlol can use its action to polymorph into a form that resembles a female drow or giant spider, or back into its true form. Its statistics are the same in each form. Any equipment it is wearing or carrying isn't transformed. It reverts to its true form if it dies.
The yochlol has advantage on saving throws against spells and other magical effects.
The yochlol can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
The yochlol ignores movement restrictions caused by webbing.
The yochlol makes two melee attacks.
Melee Attack Roll: +6 to hit, reach 5 ft. (10 feet in demon form), one target. Hit: 5 (1d6 + 2) bludgeoning (piercing in spider form) damage plus 21 (6d6) poison damage.
The yochlol transforms into toxic mist or reverts to its true form. Any equipment it is wearing or carrying is also transformed. It reverts to its true form if it dies.
While in mist form, the yochlol is incapacitated and can't speak. It has a flying speed of 30 feet, can hover, and can pass through any space that isn't airtight. It has advantage on Strength, Dexterity, and Constitution saving throws, and it is immune to nonmagical damage.
While in mist form, the yochlol can enter a creature's space and stop there. Each time that creature starts its turn with the yochlol in its space, the creature must succeed on a DC 14 Constitution saving throw or be poisoned until the start of its next turn. While poisoned in this way, the target is incapacitated.
The yochlol's spellcasting ability is Charisma (spell save DC 14). The yochlol can innately cast the following spells, requiring no material components:
At will: detect thoughts, web
1/day: dominate person
Medium fiend (demon), Chaotic Evil
| Armor Class | 15 |
|---|---|
| Hit Points | 153 (18d8 + 72) |
| Speed | 30 ft., climb 30 ft. |
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
| 15 (+2) | 19 (+4) | 18 (+4) | 13 (+1) | 15 (+2) | 17 (+3) |
| Saving Throws | Cha +7, Dex +8, Int +5, Wis +6 |
|---|---|
| Skills | Deception +11, Insight +6 |
| Damage Vulnerabilities | — |
| Damage Resistances | cold; fire; lightning |
| Damage Immunities | poison |
| Condition Immunities | poisoned |
| Senses | Darkvision 120 ft., passive Perception 12 |
| Languages | Abyssal, Elvish, Undercommon |
| Challenge | 10 |
If the yochlol dies outside the Abyss, its body dissolves, and it gains a new body instantly, reviving with all its Hit Points in the Abyss.
The yochlol has Advantage on saving throws against spells and other magical effects.
The yochlol can climb difficult surfaces, including along ceilings, without needing to make an ability check.
The yochlol ignores movement restrictions caused by webs.
The yochlol makes two Caustic Lash attacks, and it can use Spellcasting to cast Web or Dominate Person if available.
Melee or Ranged Attack Roll: +8, reach 10 ft. or range 120 ft. Hit: 25 (6d6 + 4) Acid damage.
Trigger: The yochlol is hit by an attack roll. Response: The yochlol halves the attack's damage to itself (round down), and it teleports to an unoccupied space it can see within 30 feet of itself. con DC 15, each creature within 5 feet of the yochlol's destination space. Failure: The target has the Poisoned condition until the end of its next turn. While Poisoned, it has the Incapacitated condition.
The yochlol casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 15):
At will: Detect Thoughts, Gaseous Form (self only), Web
1/day: Dominate Person