What is the adverb form of destruction?

There isn't a single perfect adverb form of "destruction." However, depending on the context, you can use these options:

Directly related to the act of destroying:

* Destructively: This is the most direct and common adverb form, emphasizing the destructive nature of an action. Example: "They attacked the city destructively."

* Devastatingly: This suggests a particularly severe or widespread destruction. Example: "The earthquake devastated the town, destroying everything in its path."

Other adverbs conveying similar meanings:

* Ruthlessly: This emphasizes a lack of mercy or compassion in the destruction. Example: "The dictator ruthlessly destroyed the opposition."

* Thoroughly: This indicates complete and total destruction. Example: "The fire thoroughly destroyed the building."

* Completely: Similar to "thoroughly," but with less emphasis on the process of destruction. Example: "The storm completely destroyed the crops."

* Totally: Similar to "completely," but with a stronger emphasis on the finality of the destruction. Example: "The earthquake totally destroyed the city."

It's important to choose the adverb that best fits the specific meaning you want to convey.