Second opinion that kills vampires? (5)
I believe the answer is:
stake
'second opinion that kills vampires?' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Maybe they are linked in a way I don't understand?
'second opinion' is the wordplay.
'second' becomes 's' (common abbreviation).
'opinion' becomes 'take' (I've seen this in another clue).
's'+'take'='STAKE'
Can you help me to learn more?
(Other definitions for stake that I've seen before include "stout support" , "Investment" , "Prize" , "Sharpened post; sum bet" , "Share (in a business); post" .)