The most common and most likely answer to this crossword clue is the 11 letter word LEPRECHAUNS
L
E
P
R
E
C
H
A
U
N
S
More clues leading to the result LEPRECHAUNS
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does LEPRECHAUNS mean?
LEPRECHAUNS noun- (Irish folklore) One of a race of elves that can reveal hidden treasure to those who catch them.