Agent of one’s downfall (7)
I believe the answer is:
nemesis
(Other definitions for nemesis that I've seen before include "Siemens (anag.)" , "Bane" , "Agent of (someone's) downfall" , "Retributive justice" , "E'en miss (anag.)" .)
I believe the answer is:
nemesis
(Other definitions for nemesis that I've seen before include "Siemens (anag.)" , "Bane" , "Agent of (someone's) downfall" , "Retributive justice" , "E'en miss (anag.)" .)