daggerheart/templates/sheets-settings/environment-settings/adversaries.hbs

<section
    class='tab {{tabs.adversaries.cssClass}} {{tabs.adversaries.id}}'
    data-tab='{{tabs.adversaries.id}}'
    data-group='{{tabs.adversaries.group}}'
>    
    <button type="button" class="add-action-btn" data-action="addCategory">
        New Category
    </button>
    {{#each document.system.potentialAdversaries as |category id|}}
        <fieldset class="category-container" data-potential-adversary="{{id}}">
            <legend>{{category.label}}</legend>
            <div class="category-name">
                <input type="text" name="{{concat "system.potentialAdversaries." @key ".label" }}" value="{{category.label}}" />
                <a data-action="removeCategory" data-category-id={{id}} data-tooltip='{{localize "CONTROLS.CommonDelete"}}'>
                    <i class="fa-solid fa-trash"></i>
                </a>
            </div>
            <div class="adversaries-container">
                {{#each category.adversaries as |adversary|}}
                    <div class="adversary-container">
                        {{> 'systems/daggerheart/templates/sheets/global/partials/inventory-item.hbs' item=adversary type='adversary' isActor=true categoryAdversary=@../key}}
                    </div>
                {{/each}}
            </div>
            <div class="adversaries-dragger">
                Drop Actors here
            </div>
        </fieldset>
    {{/each}}
</section>