Constructs in the Monster Manual: Golems and Animated Objects
The Construct type sits at an interesting intersection of magic and machinery — beings that exist not because nature made them, but because someone decided they should exist. This page covers how Dungeons & Dragons defines Constructs, what makes golems and animated objects mechanically distinct from other creature types, and how Dungeon Masters can use them effectively at the table.
Definition and scope
A Construct, as defined in the fifth edition Monster Manual (Wizards of the Coast, 2014), is a creature "made, not born." Constructs are manufactured beings imbued with a spark of animating magic — they have no biological needs, no requirement for air or food, and are immune to a cluster of conditions including poison, disease, and the exhaustion that grinds down flesh-and-blood creatures.
The Construct type covers a wide range of beings that share a functional identity: they were built to serve. The Monster Manual divides this population into two broad categories worth keeping separate in your mental model.
Golems are the high-end workshop products — painstakingly assembled from a single primary material (clay, iron, flesh, stone) and animated through prolonged ritual magic. The fifth edition Monster Manual presents 4 core golem stat blocks: Clay Golem (Challenge Rating 9), Flesh Golem (CR 5), Iron Golem (CR 16), and Stone Golem (CR 10). Each represents a meaningful jump in both power and cost of creation.
Animated Objects are the more improvisational end of the spectrum — everyday items pressed into service by an Animate Objects spell or a more permanent enchantment. Flying swords, rugs of smothering, animated armor, and crawling claws all fall here. They are cheaper narrative conceits than golems, faster to deploy in an encounter, and considerably more disposable.
The line between monster types and subtypes matters mechanically: Constructs are immune to a number of spells and effects that specifically target "creatures that breathe" or "living creatures," which changes how parties approach them.
How it works
The animating principle behind Constructs in D&D draws from real-world folklore — the Prague golem, the bronze giant Talos from Greek mythology — but the game mechanics translate that lore into a specific action economy.
Golems share a distinctive trait called Magic Resistance (advantage on saving throws against spells), and the 4 core golems each carry an additional idiosyncratic feature:
- Clay Golem — Berserk: when damaged below half hit points, rolls each turn to go berserk and attack any creature nearby, friend or foe. Also immune to spells that would alter its form.
- Flesh Golem — Aversion of Fire: disadvantage on attack rolls and ability checks when within 5 feet of fire. This is the Frankenstein's monster of the set, and it has the vulnerability to show for it.
- Iron Golem — Fire Absorption: rather than being damaged by fire, it regains hit points, making fire-heavy parties significantly less effective.
- Stone Golem — Slow (recharge 5–6): imposes the Slowed condition across an area, dramatically reducing the action economy of player characters.
Animated objects, by contrast, derive their mechanics primarily from the Animate Objects spell (Player's Handbook, p. 213), which scales with spell slot level and produces creatures sized Tiny through Huge. These creatures use a shared stat table rather than individual stat blocks, with hit points and attack bonuses varying by object size.
Common scenarios
Golems appear most naturally in wizard towers, ancient temples, and dwarven vaults — anywhere that implies institutional wealth and long planning horizons. An Iron Golem guarding a dragon's treasure hoard is a credible threat at CR 16; that same creature protecting a village well is a category error that breaks verisimilitude.
Animated objects scale more gracefully into everyday dungeon life. A haunted mansion filled with furniture that attacks intruders is a classic application — low stakes, moderate threat, high theatrical value. The Rug of Smothering (CR 2) is an underused gem: a creature that grapples, restrains, and suffocates, all without a single line of dialogue.
For encounter building purposes, Constructs reward parties that carry bludgeoning weapons and dispel-focused casters. They punish parties that rely on poison damage or sleep-adjacent effects — which is why placing a golem after a series of undead encounters can feel punishing if players have been hoarding Inflict Wounds and Poison Spray.
Decision boundaries
The critical DM decision with Constructs is whether the creature has a controller.
A golem without a master — one whose creator has died or issued no standing orders — enters an Ambiguous State. The fifth edition rules note that golems without instructions simply become inert or, in the case of Clay Golems, berserk. This creates a dungeon-design distinction: a golem is either a trap (static, defending a fixed area) or a complication (a variable-behavior creature that may or may not threaten the party depending on context).
Animated objects, being spell-created, dissolve after the spell's duration unless made permanent through Permanency effects (a feature more prominent in earlier editions — see fifth edition Monster Manual for the current framework). That impermanence makes them reliable as environmental hazards but unreliable as lasting threats.
The Flesh Golem occupies a unique narrative niche: it is the only core golem with an emotional dimension baked into its lore, capable of being driven to berserk rage or potentially manipulated through its creator's memories. That detail makes it the most interesting roleplaying scenario in the Construct catalog — a CR 5 creature that can generate more table tension than the CR 16 Iron Golem if used thoughtfully.
Constructs also interact differently with resurrection magic than other creatures: they cannot be raised from the dead in the traditional sense, since they were never alive. A destroyed golem is a demolition problem, not a death, which has implications for how players emotionally process their destruction.