Up close, the scene was more chaos, enchantingly so. (From ACT)
Why adverb enchantingly is used here when it is modifying the subject "the scene"? I think enchanting would be more preferable.
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Overall, it does imply that the scene was enchanting - however, the adverb refers specifically to the chaotic nature the scene.
It could have instead said:
The scene was enchantingly chaotic.
So it was chaotic in an enchanting way.
There are other ways of expressing a similar idea, for example:
The scene was enchanting and chaotic.
Arguably though, these are now separate qualities - the scene was enchanting and was chaotic, perhaps for different reasons. Your original example does a great job of linking the two.