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Leashed Lesion

Large · Aberration · CR 3 · Chaotic Evil

Source. Tome of Beasts 3

15 (natural armor)

65 (10d10+10)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

-2

WIS

-1

CHA

Overview

Category Monsters

Size Large

Type Aberration

Alignment Chaotic Evil

XP 700

Initiative Bonus +0

Movement

Walk 40 ft (12.2 m)

Swim 20 ft (6.1 m)

Climb 20 ft (6.1 m)

Crawl 20 ft (6.1 m)

Senses

Blindsight 120 ft (36.6 m)

Passive Perception 9

Skills

Perception -1

Languages

understands Void Speech but can't speak

Resistances & Immunities

Damage Resistances

necrotic

Bonus Actions

Life Tether

Attaches a symbiotic tether to a creature sitting in the recess in its back. A creature in the recess that isn't attached to the tether takes 7 (2d6) piercing damage at the end of the lesion's turn and the lesion regains hp equal to the damage dealt. While the tether is attached the creature is grappled by the lesion. The lesion or the creature can detach the tether as a bonus action. Lesion can have its symbiotic tether attached to only one creature at a time.

About Leashed Lesion

Leashed Lesion is a large aberration with a Challenge Rating of 3. It has a chaotic evil alignment.

In combat, this creature maintains an Armor Class of 15 and possesses 65 hit points (derived from 10d10+10).

Leashed Lesion has communication capabilities including understands Void Speech but can't speak. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Leashed Lesion

2 tips available

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

Mid-level Encounter: Ideal for parties levels 3-8 as solo or small groups
Terrain Advantage: Use terrain to offset moderate combat abilities

Player Guide: Facing Leashed Lesion

2 strategies available

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

Moderate Threat: Prepare standard combat tactics
Tactical Advantage: Use terrain and positioning

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 3.

Solo Encounter:

A single character of level 5 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 1,200 XP
Hard: 1,800 XP
Deadly: 2,400 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 Leashed Lesion?: Leashed Lesion has a Challenge Rating of 3, making it appropriate for parties of level 3.0.
What type of creature is Leashed Lesion?: Leashed Lesion is a Large Aberration, which affects how certain spells and abilities interact with it.
What languages does Leashed Lesion speak?: Leashed Lesion can communicate in understands Void Speech but can't speak.