Repository — fantasy monster illustration. Repository is a medium construct (Challenge Rating 7).

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Repository

Medium Construct, unaligned

AC
15
HP
110
Speed
30
CR
7

A mechanical whir issues from this pyramid-shaped mechanism as it begins to unfold hundreds of jointed limbs. When the noise grows shrillest, alien runes alight across its golden surfaces._
Secret Keepers. The people of Leng are renowned traders, and it once occurred to a Leng inventor that knowledge is the most valuable trade good. That inventor’s identity is one of the many secrets the first repository faithfully keeps. These constructs are built for the reception, transmission, and safeguarding of information, and even those that don’t hold particularly coveted information still defend their charges with lethal force. Repositories sometimes hold secrets within their consciousness, a task made easier by the fact that these creatures can understand all languages. Others hold physical recordings of information within their chest cavities.
Master of Language. A repository exists to protect and trade information, and as such, it knows and can translate all languages. Its programming allows it to wield this mastery of language as a physical weapon. A repository can also use the power of language as a psychic assault, uttering words of power to attack the very minds of its enemies.
Right Tool for the Job. The chest cavity of a repository contains an extradimensional space that functions like a bag of holding, granting the repository the ability to pull out any tool that may be required. Most repositories keep sets of common tools stashed inside their chests, including thieves’ tools and smith’s tools. Some repositories, however, are equipped with specialized tools or magic items, depending on the creatures’ purpose at creation. Similarly, a repository can store anything it needs to protect in this extra-dimensional space. The repository is the only creature capable of retrieving items from this space while it is alive. When a repository is destroyed, its chest cavity becomes accessible to anyone that reaches inside its pyramidal form; however, the power holding this extra-dimensional space together fades after 1 hour. An object in the extra-dimensional space when it fades is destroyed. A creature in the extra-dimensional space when it fades is deposited in a random location on the Astral Plane.
Construct Nature. A repository doesn’t require air, food, drink, or sleep.


Armor Class 15 (natural armor)

Hit Points 110 (13d8+52)

Speed 30 ft.


STR
19 (+4)
DEX
10 (+0)
CON
18 (+4)
INT
16 (+3)
WIS
12 (+1)
CHA
6 (-2)

Damage Resistances bludgeoning, piercing, and slashing from nonmagical attacks not made with adamantine weapons

Damage Immunities poison, psychic

Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned

Senses darkvision 120 ft., passive Perception 11

Languages all

Challenge 7


Traits

Immutable Form. The repository is immune to any spell or effect that would alter its form.

Magic Resistance. The repository has advantage on saving throws against spells and other magical effects.

Magic Weapons. The repository's weapon attacks are magical.

Self-Destruct. If a repository is reduced to 0 hp, it explodes, leaving behind its small, pyramidal chest cavity. Each creature within 20 feet of the repository when it explodes must make a DC 15 Dexterity saving throw, taking 14 (4d6) bludgeoning damage on a failed save, or half as much damage on a successful one.

Actions

Multiattack. The repository makes two slash attacks.

Slash. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 13 (2d8 + 4) bludgeoning damage.

Language Lash (Recharge 5-6). The repository utters words of power, unleashing psychic energy in a 30-foot cone. Each creature in that area must make a DC 15 Intelligence saving throw. On a failure, a creature takes 14 (4d6) psychic damage and is incapacitated for 1 minute. On a success, a creature takes half the damage and isn't stunned. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.

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The Game Master's Book of Random Encounters
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