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Yek

Small · Fiend · CR 4 · Chaotic Evil

Source. Creature Codex

16 (natural armor)

77 (14d6+28)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

-1

WIS

CHA

Overview

Category Monsters

Size Small

Type Fiend

Alignment Chaotic Evil

XP 1100

Initiative Bonus +3

Movement

Walk 30 ft (9.1 m)

Swim 15 ft (4.6 m)

Climb 30 ft (9.1 m)

Crawl 15 ft (4.6 m)

Senses

Darkvision 120 ft (36.6 m)

Passive Perception 13

Saving Throws

Strength +5 Dexterity +5 Constitution +4 Intelligence +1

Skills

Perception +3 Stealth +5

Languages

Abyssal, telepathy 120.0 ft (36.6 m).

Resistances & Immunities

Damage Immunities

poison

Damage Resistances

cold, fire, lightning

Condition Immunities

poisoned

Traits

Devouring Swarm

If a creature has three or more yek attached to it from a bite attack at the end of its turn, the creature must succeed on a DC 12 Constitution saving throw or its Constitution score is reduced by 1d4 as the demons feast upon the creature's flesh.

Magic Resistance

The yek has advantage on saving throws against spells and other magical effects.

Pack Tactics

The yek has advantage on attack rolls against a creature if at least one of the yek's allies is within 5 feet of the creature and the ally isn't incapacitated.

Actions

Bite

+5 to hit, reach 5 ft (1.5 m). Hit: 3d6+3 piercing damage.

Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 13 (3d6 + 3) piercing damage, and, if the target is Large or smaller, the yek demon attaches to it. While attached, the yek demon can make this attack only against the target and has advantage on the attack roll. The yek demon can detach itself by spending 5 feet of its movement. A creature, including the target, can take its action to detach the yek demon by succeeding on a DC 13 Strength check.

Claw

+5 to hit, reach 5 ft (1.5 m). Hit: 3d4+3 slashing damage.

Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 10 (3d4 + 3) slashing damage.

Multiattack

The yek makes one bite attack and one claw attack.

About Yek

Yek is a small fiend with a Challenge Rating of 4. It has a chaotic evil alignment.

In combat, this creature maintains an Armor Class of 16 and possesses 77 hit points (derived from 14d6+28).

Yek has communication capabilities including Abyssal, telepathy 120 ft.. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Yek

3 tips available

When using Yek in your D&D 5e campaign, consider these tactical approaches:

Climbing Advantage: This creature can climb at 30 ft. It can use walls and ceilings for tactical positioning. Consider using 'Spider Climb' negation or fighting in open areas without vertical surfaces.
Telepathic Communication: This creature can communicate telepathically, making it excellent for coordination with allies. Silence spells won't stop its communication. Consider 'Mind Blank' or abilities that block telepathy.
Pack Tactics Advantage: This creature has advantage on attack rolls when an ally is within 5 feet! Separate it from its pack or use 'Fear' spells to scatter allies. Single-target encounters reduce its effectiveness.

Player Guide: Facing Yek

3 strategies available

When your party encounters this creature, keep these strategies in mind:

Climbing Defense: This creature can climb at 30 ft! It can use walls and ceilings for surprise attacks. Fight in open areas without vertical surfaces. 'Spider Climb' negation spells can help.
Telepathy Awareness: This creature communicates telepathically! It can coordinate with allies silently. Silence won't stop it. Use 'Mind Blank' or abilities that block telepathy. Be cautious of mental attacks.
Counter Pack Tactics: This creature has advantage when allies are nearby! Separate it from its pack. Use 'Fear' spells to scatter allies. Single-target encounters reduce its effectiveness.

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 4.

Solo Encounter:

A single character of level 6 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 2,000 XP
Hard: 3,000 XP
Deadly: 4,000 XP

Based on D&D 5e Dungeon Master's Guide encounter building guidelines. CR roughly equals party level for medium encounters.

Frequently Asked Questions

What is the challenge rating of Yek?: Yek has a Challenge Rating of 4, making it appropriate for parties of level 4.0.
What type of creature is Yek?: Yek is a Small Fiend, which affects how certain spells and abilities interact with it.
What languages does Yek speak?: Yek can communicate in Abyssal, telepathy 120 ft..