Devastate a fort wounding number inside! (3,3,3)

I believe the answer is:

tea for two

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'devastate a fort wounding number inside' is the definition.
I know nothing about this answer so I cannot tell whether this works.

'devastate a fort wounding number inside' is the wordplay.
'inside' indicates a hidden word.
'TEA FOR TWO' is hidden within 'devastate a fort wounding number'.

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(Other definitions for tea for two that I've seen before include "Air" , "Popular 1925 song (for afternoon drinking companions?)" , "Musical number" , "Song from musical No, No, Nanette" .)

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