How to farm fairy mobs in the Summer 2014 event.
In this event, this is the only way I've found to reliably farm Tor Caith Fairies:
1) find a fairy spawn point
2) sit there
3) wait for it to spawn
4) kill it
5) repeat starting at step 2
Bonus points for dual device camping! Try not to die from boredom! Be careful of noobs locking your mobs!
Also, to help you see them better....
1) Turn your detail settings down all the way
2) Turn on mob names
3) Turn name size all the way up