Breathed adverbs are provided in this article. The words listed here are commonly found along with the verb breathed in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb BREATHED.
actually, barely, calmly, deeply
easily, finally, freely, gently
hardly, heavily, loudly, originally
peacefully, quickly, quietly, rapidly
scarcely, shallowly, simply, slowly
softly
Hope this word list had the breathed adverb you were looking for. In addition to adverbs used with breathed, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.