Multiple Asset Field Query
It may not be suitable for your use case but you could use an Asset query to fetch assets related to your entry:

{% set assets = craft
    .assets()
    .withTransforms(['eventImage'])
    .relatedTo({
        sourceElement: entry,
        field: ['your','fields']
    })
    .all() %}

{% for asset in assets %}
...
{% endfor %}


(If these are your only asset fields on the entry, you don't need field: ['your','fields'])