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Amoeba, Giant Amoeba

This blob of protoplasm is somewhat transparent, allowing the bones of undigested meals and a dark nucleus to be seen within.

Giant Amoeba CR 1

Source Bestiary 2 pg. 23
XP 400
N Small ooze (aquatic)
Init –5; Senses blindsight 30 ft.; Perception –5


AC 6, touch 6, flat-footed 6 (–5 Dex, +1 size)
hp 15 (2d8+6)
Fort +3, Ref –5, Will –5
Defensive Abilities ooze traits


Speed 10 ft., climb 10 ft., swim 20 ft.
Melee slam +3 (1d3+1 plus 1d3 acid and grab)
Space 5 ft., Reach 5 ft.
Special Attacks constrict (1d3+1 plus 1d3 acid)


Str 12, Dex 1, Con 16, Int —, Wis 1, Cha 1
Base Atk +1; CMB +1 (+5 grapple); CMD 6 (can’t be tripped)
Skills Climb +9, Swim +9
SQ amphibious


Environment any land or underground
Organization solitary or colony (2–9)
Treasure none


A giant amoeba is a shapeless mass of living, liquid protoplasm. Though naturally translucent with darker interior spots, its surface is slightly sticky and tends to collect dirt and other debris from its environment; therefore, a moving giant amoeba looks like muddy water. A weaker cousin of creatures such as the gray ooze and black pudding, a giant amoeba is actually a mutated version of a harmless creature too small to be seen by the naked eye, grown dangerously large in size. Although happy to prey on creatures smaller than it, the giant amoeba’s constant hunger often drives it to attack larger prey, such as humanoids.

Creatures in "Amoeba" Category

Amoeba Swarm1
Giant Amoeba1