Box of beasts

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Version 0.21: This article may not be up to date for the latest stable release of Crawl.
Type Miscellaneous item
Name box of beasts
Icon Box of beasts.png
A box filled with the bizarre leftovers of a depraved wizard's magical experimentations. Opening it might set loose a friendly mutant beast: bizarre creatures, each with their own combination of traits. Increased skill with Evocations will allow stronger beasts to be released. There is a one in three chance of accidentally destroying the box when using it.

There are six known traits:

  • Bat beasts fly and move very quickly, but erratically.
  • Fire beasts resist and breathe fire.
  • Ox beasts resist cold, are armoured with thick fur, and can knock back foes.
  • Shock beasts resist electricity and can transform into living lightning.
  • Sting beasts resist poison and have a reaching poison-tail attack.
  • Weird beasts can see invisible and attack with constricting tentacles.

As far as anyone knows, all beasts have exactly two of these traits.

A box of beasts is a miscellaneous magic item which can summon an irregular, albeit friendly, monster, classified generally as a mutant beast. It has a 1/4 chance of destruction after every use (regardless of Evocations skill).

Mutant Beast

A mutant beast usually combines two random traits/facets:

Each beast also has one of five tiers, corresponding to HD and melee attack damage.

  • Larval (HD 3) (12 damage)
  • Juvenile (HD 9) (19 damage)
  • Mature (HD 15) (26 damage)
  • Elder (HD 21) (33 damage)
  • Primal (HD 27) (40 damage)
HD of mutant beasts from the box of beasts is roughly
(Evocations skill + 1d7 - 1d7), rounded up to the nearest tier & capped at 27.


  • Prior to 0.19, boxes of beasts didn't stack.
  • Prior to 0.17, a Box of Beasts would instead summon a chimera.
  • In 0.16, Box of Beasts became considerably stronger than before.
  • Prior to 0.13 this item summoned individual (non-chimera) monsters.
  • Prior to 0.9, it appeared as a small ebony casket while unidentified.