Gelatinous cubes

Walking through a sorcerer's ancient dungeon, you become momentarily distracted by a noise somewhere behind you.

Walking forward without looking, you suddenly realize that your body is restrained by something.

Your flesh begins to burn from some sort of acid, and you notice a few other bones suspended in the transparent cube you've stumbled into.

Lacking the strength to break free, your fate is sealed as you slowly begin to dissolve.

This is a gelatinous cube, one of the most iconic and unique monsters in the extensive D&D

beastiary. Although they're certainly not the brightest or most dangerous monsters, they've

been a mainstay of D&D games for decades and can still provide a bit of a crisis for rookie

adventurers. gelatinous cubes were first introduced in the original D&D set in 1974,

created as an original monster by Gary Gygax.

Their popularity then put them in the monster manuals of every future edition,

although their simplicity meant that they never received any sort of extensive

ecology supplement,

outside of a short article in Dragon Magazine No. 24.

In older editions, gelatinous cubes were listed as standalone creatures,

but from third edition onward, they would be listed alongside other ooze monsters,

including gray ooze, black pudding, and ochre jelly.

The gelatinous cube is a creature practically perfectly designed to thrive in a dungeon environment.

They measure 10 feet by 10 feet by 10 feet, completely encompassing the standard measurements of a dungeon corridor,

allowing almost nothing to slip by them as they crawl along.

Anything they do come into contact with becomes trapped in their sticky interior,

from goblins to elves to plants, equipment, gold, and anything else that might crop up in tombs, dungeons,

...