Armor Class 13
Hit Points 18 (4d4 + 8)
Speed 20 ft.
Saving Throws INT +4, CHA +2
Condition Immunities blinded, charmed, deafened, exhaustion, prone
Senses blindsight 60 ft. (blind beyond this distance), passive Perception 12
Languages —
Challenge 1/4
Amorphous. The oblex can move through a space as narrow as 1 inch wide without squeezing.
Aversion to Fire. If the oblex takes fire damage, it has disadvantage on attack rolls and ability checks until the end of its next turn.
Pseudopod. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 5 (1d4 + 3) bludgeoning damage plus 2 (1d4) psychic damage.
Mordenkainen's Tome of Foes, p. 217