Den's awful rage might imperil (8)

I believe the answer is:

endanger

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'imperil' is the definition.
(synonyms)

'den's awful rage' is the wordplay.
'awful' is an anagram indicator.
'rage' becomes 'anger' (I've seen this before).
'den' is an anagram of 'end'.
'end'+'anger'='ENDANGER'

'might' acts as a link.
This may not be correct. It may belong to another bit of the clue.

Can you help me to learn more?

(Other definitions for endanger that I've seen before include "Hazard" , "Put in trouble" , "Jeopardize" , "Dan Green (anag.)" , "Place into peril, jeopardise" .)

I've seen this clue in The Irish Independent.

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