In spite of everything, I start to search for legendary creatures (5)
I believe the answer is:
yetis
'legendary creatures' is the definition.
(yeti is a kind of legendary creature)
'in spite of everything i start to search' is the wordplay.
'in spite of everything' becomes 'yet' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'start to' says to take the initial letters.
The first letter of 'search' is 's'.
'yet'+'i'+'s'='YETIS'
'for' is the link.
Can you help me to learn more?
(Other definitions for yetis that I've seen before include "Rarely seen group of creatures" , "Beasts that aren't real" , "fantastic beasts" , "Abominable snowmen" , "Mythical creatures" .)