Allied adverbs are provided in this article. The words listed here are commonly found along with the verb allied in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb ALLIED.
apparently, clearly, closely, directly
evidently, firmly, frequently, generally
immediately, inseparably, intimately, naturally
nearly, necessarily, openly, probably
remotely, strongly
Hope this word list had the allied adverb you were looking for. In addition to adverbs used with allied, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.