Creature Reference Back to Creatures

Phase Spider

Large · Monstrosity · CR 3 · Unaligned

Source. 5e 2014 Rules

13 (natural armor)

32 (5d10+5)

Ability Scores

Core attributes and their modifiers.

STR

DEX

CON

INT

-2

WIS

CHA

-2

Overview

Category Monsters

Size Large

Type Monstrosity

Alignment Unaligned

XP 700

Initiative Bonus +2

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 60 ft (18.3 m)

Passive Perception 10

Skills

Stealth +6

Environments

Caves Forest or Jungle Grassland or Plains Hills Mountain Ruins Shadowfell Astral Plane Ethereal Plane Feywild Underworld Urban

Traits

Ethereal Jaunt

As a bonus action, the spider can magically shift from the Material Plane to the Ethereal Plane, or vice versa.

Spider Climb

The spider can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Web Walker

The spider ignores movement restrictions caused by webbing.

Actions

Bite

Cost 1

+4 to hit, reach 5 ft (1.5 m).

Melee Weapon Attack: +4 to hit, reach 5 ft., one creature. Hit: 7 (1d10 + 2) piercing damage, and the target must make a DC 11 Constitution saving throw, taking 18 (4d8) poison damage on a failed save, or half as much damage on a successful one. If the poison damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even after regaining hit points, and is paralyzed while poisoned in this way.

About Phase Spider

Phase Spider is a large monstrosity with a Challenge Rating of 3. It has a unaligned alignment.

In combat, this creature maintains an Armor Class of 13 and possesses 32 hit points (derived from 5d10+5).

GM Tips: Using Phase Spider

1 tips available

When using Phase Spider 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.

Player Guide: Facing Phase Spider

1 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.

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 Phase Spider?: Phase Spider has a Challenge Rating of 3, making it appropriate for parties of level 3.0.
What type of creature is Phase Spider?: Phase Spider is a Large Monstrosity, which affects how certain spells and abilities interact with it.