Back to the ArchivesLarge Ooze · CR 2
Back to the ArchivesLarge Ooze · CR 2
SRD 5.2 · 5e (2024)
Gelatinous Cube
- Combat
- Casting
- Downed
From the journal of Barthagor the Magnificent
Field notes
Day 48. The elusive gelatinous cube is, I can now confirm, perfectly transparent. It glides the corridors at a leisurely pace, swallowing whatever fails to notice it. Coins, boots, the occasional adventurer. I noticed it immediately. From the inside.
Its acid is mild, invigorating even, and does wonders for a wizard's complexion. Steel will cut it, fire will melt it, and it has no mind to speak of, which made our conversation brief.
Recommended approach: stand very still and let it come to you. I did precisely that, entirely on purpose. It is also an excellent way to clean a dungeon, provided one retrieves the valuables before the cube does.
As seen in The Misadventures of Barthagor, Episode 1: “Day 48: The Gelatinous Cube”. Coming soon to YouTube.
Free downloads
Gelatinous Cube tokens & art
Free for use at your own table: one top-down token per pose, made in AutoToken's top-down workshop, and the painting from the top of this page.
SRD 5.2 · 5e (2024)
Gelatinous Cube statblock
SRD 5.2 Creature
Gelatinous Cube
Challenge Rating
2
450 XPProficiency Bonus
+2
Printed in 2024 formatInitiative
-4
OverrideLarge Ooze
AC 6Initiative -4 (6)
HP 63 (6d10 + 30)
Speed 15 ft.
Mod
Save
STR
14
+2
+2
DEX
3
-4
-4
CON
20
+5
+5
Mod
Save
INT
1
-5
-5
WIS
6
-2
-2
CHA
1
-5
-5
Damage Immunities
acid
Condition Immunities
blinded, charmed, deafened, exhaustion, frightened, prone
Senses
Blindsight 60 ft.; Passive Perception 8
Languages
None
CR
2 (450 XP; PB +2)
Passive Features
Traits
Ooze Cube.
The cube fills its entire space and is transparent. Other creatures can enter that space, but a creature that does so is subjected to the cube's Engulf and has Disadvantage on the saving throw. Creatures inside the cube have Total Cover, and the cube can hold one Large creature or up to four Medium or Small creatures inside itself at a time. As an action, a creature within 5 feet of the cube can pull a creature or an object out of the cube by succeeding on a DC 12 Strength (Athletics) check, and the puller takes 10 (3d6) Acid damage.
Transparent.
Even when the cube is in plain sight, a creature must succeed on a DC 15 Wisdom (Perception) check to notice the cube if the creature hasn't witnessed the cube move or otherwise act.
Actions
Pseudopod.
Melee Attack Roll: +4, reach 5 ft. 12 (3d6 + 2) Acid damage.
Engulf.
The cube moves up to its Speed without provoking Opportunity Attacks. The cube can move through the spaces of Large or smaller creatures if it has room inside itself to contain them (see the Ooze Cube trait). Dexterity Saving Throw: DC 12, each creature whose space the cube enters for the first time during this move. Failure: 10 (3d6) Acid damage, and the target is engulfed. An engulfed target is suffocating, can't cast spells with a Verbal component, has the Restrained condition, and takes 10 (3d6) Acid damage at the start of each of the cube's turns. When the cube moves, the engulfed target moves with it. An engulfed target can try to escape by taking an action to make a DC 12 Strength (Athletics) check. On a successful check, the target escapes and enters the nearest unoccupied space. Success: Half damage, and the target moves to an unoccupied space within 5 feet of the cube. If there is no unoccupied space, the target fails the save instead.
Make it yours
Recolor it, re-pose it, send it to Foundry
Save the Gelatinous Cube to a Vault slot just as we built it: its statblock, all four top-down tokens and its framed portrait token, ready to edit. No generation needed. The Vault needs an account; a free one has five slots.