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Demon, Leech

Large · Fiend · CR 11 · Chaotic Evil

Source. Tome of Beasts 3

17 (natural armor)

147 (14d10+70)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

WIS

CHA

-2

Overview

Category Monsters

Size Large

Type Fiend

Alignment Chaotic Evil

XP 7200

Initiative Bonus +3

Movement

Walk 30 ft (9.1 m)

Swim 40 ft (12.2 m)

Climb 15 ft (4.6 m)

Crawl 15 ft (4.6 m)

Senses

Darkvision 90 ft (27.4 m)

Passive Perception 11

Skills

Perception +1

Languages

Abyssal, telepathy 120'

Resistances & Immunities

Damage Immunities

acid, poison

Damage Resistances

cold, fire, lightning; nonmagic B/P/S attacks

Condition Immunities

poisoned, prone

Traits

Amphibious

Can breathe air and water.

Blood Sense

Can pinpoint by scent the location of creatures that aren’t Constructs or Undead within 30' of it.

Magic Resistance

Advantage: spell/magic effect saves.

About Demon, Leech

Demon, Leech is a large fiend with a Challenge Rating of 11. It has a chaotic evil alignment.

In combat, this creature maintains an Armor Class of 17 and possesses 147 hit points (derived from 14d10+70).

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

GM Tips: Using Demon, Leech

2 tips available

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

Aquatic Combat: This creature can swim at 40 ft. It has advantage in water environments. Consider fighting on land or using water-based spells against it.
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.

Player Guide: Facing Demon, Leech

2 strategies available

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

Aquatic Combat Defense: This creature can swim at 40 ft! It has advantage in water. Fight on land if possible. Use 'Control Water' or drain water sources to limit its mobility.
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.

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 11.

Solo Encounter:

A single character of level 15 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 13,200 XP
Hard: 19,800 XP
Deadly: 26,400 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 Demon, Leech?: Demon, Leech has a Challenge Rating of 11, making it appropriate for parties of level 11.0.
What type of creature is Demon, Leech?: Demon, Leech is a Large Fiend, which affects how certain spells and abilities interact with it.
What languages does Demon, Leech speak?: Demon, Leech can communicate in Abyssal, telepathy 120'.