Phase Spider — fantasy monster illustration. Phase Spider is a large monstrosity (Challenge Rating 3).

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Phase Spider

Large Monstrosity

AC
14
HP
39
Speed
30
CR
3

Armor Class 14

Hit Points 39 (6d10+6)

Speed 30 ft., climb 30 ft.


STR
14 (+2)
DEX
14 (+2)
CON
12 (+1)
INT
6 (-2)
WIS
10 (+0)
CHA
4 (-3)

Skills Stealth +4

Senses darkvision 60 ft., passive Perception 10

Challenge 3


Traits

Ethereal Sight. The spider can see into both the Material Plane and Ethereal Plane.

Spider Climb. The spider can climb even on difficult surfaces and upside down on ceilings.

Web Walker. The spider ignores movement restrictions imposed by webs.

Actions

Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 9 (2d6+2) piercing damage and the target makes a DC 11 Constitution saving throw taking 14 (4d6) poison damage on a failure or half damage on a success. If the poison damage reduces the target to 0 hit points the target is made stable but poisoned for 1 hour even if it regains hit points and it is paralyzed while poisoned in this way.

Bonus Actions

Ethereal Jaunt. The spider magically shifts from the Material Plane to the Ethereal Plane or vice versa.

Community Images

Phase Spider — fantasy monster illustrationPrimary
FTTHelper · auto-generated · monster · monster

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Further reading

Jetpack7 Game Master Series
The Game Master's Book of Random Encounters
Jeff Ashworth · 2020
The Game Master's Book of Traps, Puzzles and Dungeons
Jeff Ashworth · 2022
The Game Master's Book of Legendary Dragons
Aaron Hübrich · 2022