<fieldset>
    <legend>{{ localize "DND5E.ATTACK.FIELDS.attack.label" }}</legend>
  Midi attack sheet
    {{#with fields.attack.fields as |fields|}}
    {{ formField fields.ability value=../source.attack.ability options=../abilityOptions }}
    {{ formField fields.bonus value=../source.attack.bonus }}
    {{ formField fields.flat value=../source.attack.flat input=@root.inputs.createCheckboxInput }}
    {{ formField fields.critical.fields.threshold value=../source.attack.critical.threshold }}
    {{/with}}
</fieldset>
