How do you make an item unbreakable via custom enchant?

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[modern zinc]

You shouldn't use an enchantment for this, you should just use the unbreakable component

Like this: give @s iron_sword[unbreakable={}]

[lean crypt]

If you really want to use an enchantment, you could also set the damage the item receives to 0.

"effects": {
    "minecraft:item_damage": [
      {
        "effect": {
          "type": "minecraft:set",
          "value": 0
        }
      }
    ]
  }

Although I also suggest using the unbreakable flag.

[ocean walrus]

is it possible to add the unbreakable flag via enchants?

what if you disenchant it ?

[lean crypt]

you can use the tick effect with a function call to add the flag but when disenchanting it's indeed a bit more difficult to remove unbreakable.

[lean crypt]

use this then

[ocean walrus]

okay thanks

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