Bestiary‎ > ‎(Bestiary) By Type‎ > ‎Vermin‎ > ‎Jellyfish‎ > ‎

Jellyfish, Monstrous

An enormous jelly-like being floats peacefully in the warm waters, trailing long seaweed-like tendrils from its central mass.

Monstrous Jellyfish CR 2

XP 600
N Large vermin
Init +1; Senses watersense 60 ft; Perception +0


AC 12, touch 10, flat-footed 11 (+1 Dex, +2 natural, -1 size)
hp 13 (3d8)
Fort +3, Ref +2, Will +1
Defensive Abilities jet, transparent; Immune vermin traits


Speed swim 10 ft.
Melee tentacles +3 (1d6 plus poison and grab)
Space 10 ft.; Reach 10 ft.


Str 11, Dex 12, Con 10, Int --, Wis 10, Cha 2
Base Atk +2; CMB +3 (+7 to grapple); CMD 14 (can't be tripped)
Feats Weapon FinesseB
Skills Stealth +5, Swim +8; Racial Modifiers +8 Stealth


Jet (Ex)

A monstrous jellyfish can jet backward once per round as a full-round action at a speed equal to four times its swim speed. It must move in a straight line, but does not provoke attacks of opportunity while jetting.

Poison (Ex)

Tentacle--injury; save DC 13; frequency 1/ minute for 6 minutes; effect 1d6 Dexterity damage; cure 2 consecutive saves. The save DC is Constitution-based and includes a +2 bonus.

Transparent (Ex)

A monstrous jellyfish is nearly invisible floating in the water. An observer must succeed on a DC 20 Perception check to notice the jellyfish.

Watersense (Ex)

Monstrous jellyfish can automatically sense the location of anything within 60 feet that is in contact with water.

Tome of Horrors Complete
Support Open Gaming