Alien mineral that could threaten hero, seen beneath church this evening, reportedly (10)
I believe the answer is:
kryptonite
If this is the answer, I'm afraid I cannot explain it.
Can you help me to learn more?
(Other definitions for kryptonite that I've seen before include "threat to Kent" , "Mineral avoided by Superman" .)
I've seen this clue in The Irish Times.
Want a hint initially instead of a full solution?
Install my app