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Spider of Leng

Large · Aberration · CR 7 · Chaotic Evil

Source. Tome of Beasts 1 (2023 Edition)

15 (natural armor)

144 (17d10 + 51)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

WIS

CHA

Overview

Category Monsters

Size Large

Type Aberration

Alignment Chaotic Evil

XP 2900

Initiative Bonus +3

Movement

Walk 20 ft (6.1 m)

Swim 10 ft (3 m)

Climb 10 ft (3 m)

Crawl 10 ft (3 m)

Senses

Darkvision 240 ft (73.2 m)

Passive Perception 13

Saving Throws

Dexterity +6 Constitution +6 Intelligence +7

Skills

Athletics +5 Perception +3 Stealth +6

Languages

Common, Void Speech

Resistances & Immunities

Damage Immunities

poison

Condition Immunities

charmed, poisoned, unconscious

Traits

Eldritch Understanding

The spider of Leng can read and use any spell scroll or magic item, ignoring all class, race, and level requirements.

Poisonous Blood

A creature that hits the spider of Leng with a melee attack while within 5 feet of it takes 4 (1d8) poison damage.

Poisonous Death

When the spider of Leng dies, the poisonous blood in its body vaporizes, forming a cloud in the spider’s space until initiative count 20 on the next round. Each creature within 5 feet of the spider and each creature that enters the cloud for the first time on a turn must make a DC 15 Constitution saving throw, taking 9 (2d8) poison damage on a failed save, or half as much damage on a successful one.

Actions

Claw

+6 to hit, reach 5 ft (1.5 m). Hit: 2d8+3 plus 1d8 poison damage.

Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 12 (2d8 + 3) slashing damage plus 4 (1d8) poison damage.

Multiattack

The spider of Leng makes two Claw attacks and one Staff of Leng attack, or it makes three Spit Venom attacks.

Spellcasting

The spider of Leng casts one of the following spells, requiring no material components and using Intelligence as the spellcasting ability (spell save DC 15):

At Will: comprehend languages, detect magic
3/Day Each: confusion, silence
1/Day Each: arcane eye, hypnotic pattern

Spit Venom

+6 to hit, range 20/60 ft (6.1/18.3 m). Hit: 3d8+3 poison damage.

Ranged Weapon Attack: +6 to hit, range 20/60 ft., one target. Hit: 16 (3d8 + 3) poison damage, and the target must succeed on a DC 15 Constitution saving throw or be poisoned and blinded until the end of its next turn.

Staff of Leng

+6 to hit, reach 5 ft (1.5 m). Hit: 1d6+3 plus 2d6 psychic damage.

Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 7 (1d6 + 3) bludgeoning damage plus 7 (2d6) psychic damage, and the target must succeed on a DC 15 Wisdom saving throw or be stunned until the end of is next turn.

Reactions

Poisonous Riposte

The spider of Leng adds 3 to its AC against one melee attack that would hit it. To do so, the spider must see the attacker. If this effect causes the attack to miss, the attacker takes 4 (1d8) poison damage.

About Spider of Leng

Spider of Leng is a large aberration with a Challenge Rating of 7. It has a chaotic evil alignment.

In combat, this creature maintains an Armor Class of 15 and possesses 144 hit points (derived from 17d10 + 51).

Spider of Leng has communication capabilities including Common, Void Speech. This allows it to interact verbally with various creatures and characters.

GM Tips: Using Spider of Leng

2 tips available

When using Spider of Leng in your D&D 5e campaign, consider these tactical approaches:

Significant Threat: Challenging for parties of levels 5-10
Epic Potential: Consider legendary actions for memorable battles

Player Guide: Facing Spider of Leng

2 strategies available

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

Significant Threat: Prepare spells and resources
Team Coordination: Coordinate attacks and defenses

Encounter Building Calculator

Standard Party Encounter (4-5 characters):

This creature is a medium encounter for a party of 4 characters of level 7.

Solo Encounter:

A single character of level 10 (up to level 20) can face this creature in a medium to hard encounter.

Experience Point Thresholds:

Medium: 5,600 XP
Hard: 8,400 XP
Deadly: 11,200 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 Spider of Leng?: Spider of Leng has a Challenge Rating of 7, making it appropriate for parties of level 7.0.
What type of creature is Spider of Leng?: Spider of Leng is a Large Aberration, which affects how certain spells and abilities interact with it.
What languages does Spider of Leng speak?: Spider of Leng can communicate in Common, Void Speech.