{
  "type": "irons_spellbooks:append_loot",
  "conditions": [
    {
      "condition": "minecraft:any_of",
      "terms": [
        {
          "condition": "forge:loot_table_id",
          "loot_table_id": "minecraft:chests/nether_bridge"
        },
        {
          "condition": "forge:loot_table_id",
          "loot_table_id": "minecraft:chests/bastion_treasure"
        },
        {
          "condition": "forge:loot_table_id",
          "loot_table_id": "minecraft:chests/bastion_bridge"
        },
        {
          "condition": "forge:loot_table_id",
          "loot_table_id": "minecraft:chests/bastion_other"
        }
      ]
    }
  ],
  "key": "irons_spellbooks:chests/additional_nether_loot"
}