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All objects, including magic items, have hit points. Some magic items, such as Ioun Stones and the Apparatus of Kwalish, specify how many hit points they have in their description, while the rest of the magic items can be assigned hit points based on the Object Hit Points table (DMG p.247).

Moreover, as explained in Magic Item Resilience (DMG p.141), many magic items even have resistance to all damage, so even though in my experience it's rare for magic items to take damage, it is nonetheless possible. In particular, the Apparatus of Kwalish is likely to take damage at some point while being used.

However, I can't find any guidelines to repair magic items, hence the question.

If a magic item takes damage, how can it be repaired? Is it any different from repairing mundane items?

A good answer should be based on existing rules, not arbitrary suggestions. Pointing out that no such rules exist is also an acceptable answer, should that be the case.

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The Mending spell is probably your best bet.

Its description is as follows:

This spell repairs a single break or tear in an object you touch, [...]. As long as the break or tear is no larger than 1 foot in any dimension, you mend it, leaving no trace of the former damage.

This spell can physically repair a magic item or construct, but the spell can't restore magic to such an object.

I believe logic dictates that a magic item doesn't lose its magic in the first place until it drops to 0 hit points. The alternative would be that a kobold throwing a stone at an Apparatus of Kwalish and dealing 1 damage would render the Apparatus nonmagical, which is obviously not intended.

Anyways, as long as the damage suits the criteria mentioned by the Mending spell, it will be removed entirely.


Unfortunately, in the case of an Apparatus of Kwalish, for example, it's not unlikely that the magic item will get damaged more severely, in a way that it cannot be fixed by Mending (by default).

However, the (currently) latest version of the Artificer has the ability to create Homunculi (different from those made with the Create Homunculus spell) and magical turrents. If these get damaged, one can restore 2d6 hit points to them by casting the Mending spell on them.

I believe this amount of healing is appropriate, and I, therefore, suggest you ask your DM to adopt the Artificer's 2d6 Mending to other magical objects as well.


In the end, as per RAW, you can only repair damage that suits the regular Mending criteria. If an object has e.g. a tear bigger than 1 foot, then, to my knowledge, there are no official rules on how to repair it.

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    \$\begingroup\$ Mending cantrip - the closest thing to Duck Tape that D&D has. :) \$\endgroup\$ – KorvinStarmast Mar 23 at 0:38
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    \$\begingroup\$ @KorvinStarmast If you can't fix a problem with Mending, you're not using enough Mending? \$\endgroup\$ – PixelMaster Mar 23 at 0:55
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The Wish Spell seems to be a viable option

The only reason on why I state this is because of Daern's Instant Fortress, in which each wall, roof and door are made of adamantium, and each have 100 HP. In the DMG, it states:

Only a wish spell can repair the fortress (this use of the spell counts as replicating a spell of 8th level or lower). Each casting of wish causes the roof, the door, or one wall to regain 50 hit points.

So, one could assume that this rule would apply to other magical items that inherently have hit points. If it would work for Daern's Instant Fortress, I do not see why it would not work for Apparatus of Kwalish, or anything else that is magical of nature, and has hit points. I would recommend making it 50 hit points for the heal, just like how the wish spell interacts with Daern's instant fortress.

As @PixelMaster pointed out, you might be able to try the Mending cantrip, but I honestly think that Wish would be a better option simply because of a better healing option (since Wish is instantaneous and it would heal 50 points of HP, and because of it being instantaneous, it outclasses the Mending cantrip when you need a quick heal. Now, I am not naysaying that idea, because outside of battle, if I had to choose, I would choose Mending if I could. But, sometimes, you need to patch up something bigger then a foot. Thus, I believe that Wish is a viable option.

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    \$\begingroup\$ Wish works in the way it does on the instant fortress because the description of the item says it does. Otherwise, officially wish can only do this using its "something beyond the scope of the above examples" category, not under the "replicating a spell of 8th level or lower" category. (It'd probably be a reasonable wish to allow to happen, unless the player's somehow intentionally breaking the game by subverting how the magic item is normally supposed to become unusable.) But ultimately, wish can basically do nearly anything anyway... \$\endgroup\$ – V2Blast Mar 23 at 0:22
  • \$\begingroup\$ @V2Blast Wish states "The stress of casting this spell to produce any effect other than duplicating another spell weakens you. [...] Finally, there is a 33 percent chance that you are unable to cast wish ever again if you suffer this stress." Since repairing Daern's Instant Fortress is different from duplicating a lower level spell, it can in fact also trigger the consequences of Wish. I believe Wish is often overinterpreted, it can only do whatever the DM rules it can do. But yeah, repairing e.g. an Apparatus of Kwalish does probably fall into the category of "things to reasonably allow". \$\endgroup\$ – PixelMaster Mar 23 at 0:51
  • \$\begingroup\$ @PixelMaster: If you're being strictly literalist, maybe, but the instant fortress description specifically states that it "counts as replicating a spell of 8th level or lower". The only reason to specify this is to make it clear that the caster of wish wouldn't suffer that stress - I don't think it'd have any other implications besides that. \$\endgroup\$ – V2Blast Mar 23 at 0:59
  • \$\begingroup\$ @V2Blast whoops, I should have read the description more carefully. It's getting late, I should go to bed ^^ \$\endgroup\$ – PixelMaster Mar 23 at 1:02

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